Home / 7,280.75-10,037.25-6,157.19

Finding the Fourth Proportional to 7,280.75, 10,037.25 and 6,157.19

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Solution

The fourth proportional to 7,280.75, 10,037.25 and 6,157.19 is: 8,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.75 : 10,037.25 = 6,157.19 : x
  2. Step 2: Convert to fraction form
    7,280.75/10,037.25 = 6,157.19/x
  3. Step 3: Cross multiply
    7,280.75x = 10,037.25 × 6,157.19
  4. Step 4: Simplify right side
    7,280.75x = 61,801,255.33
  5. Step 5: Solve for x
    x = 61,801,255.33/7,280.75
  6. Step 6: Final answer
    x = 8,488.31

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Half scale
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Double scale
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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.