Home / 7,417.20-10,235.44-4,272.76

Finding the Fourth Proportional to 7,417.20, 10,235.44 and 4,272.76

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Solution

The fourth proportional to 7,417.20, 10,235.44 and 4,272.76 is: 5,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.20 : 10,235.44 = 4,272.76 : x
  2. Step 2: Convert to fraction form
    7,417.20/10,235.44 = 4,272.76/x
  3. Step 3: Cross multiply
    7,417.20x = 10,235.44 × 4,272.76
  4. Step 4: Simplify right side
    7,417.20x = 43,733,578.61
  5. Step 5: Solve for x
    x = 43,733,578.61/7,417.20
  6. Step 6: Final answer
    x = 5,896.24

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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.