Home / 7,512.48-10,367.34-4,155.24

Finding the Fourth Proportional to 7,512.48, 10,367.34 and 4,155.24

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Solution

The fourth proportional to 7,512.48, 10,367.34 and 4,155.24 is: 5,734.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,512.48 : 10,367.34 = 4,155.24 : x
  2. Step 2: Convert to fraction form
    7,512.48/10,367.34 = 4,155.24/x
  3. Step 3: Cross multiply
    7,512.48x = 10,367.34 × 4,155.24
  4. Step 4: Simplify right side
    7,512.48x = 43,078,785.86
  5. Step 5: Solve for x
    x = 43,078,785.86/7,512.48
  6. Step 6: Final answer
    x = 5,734.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.