Home / 7,345.32-10,131.53-4,691.54

Finding the Fourth Proportional to 7,345.32, 10,131.53 and 4,691.54

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Solution

The fourth proportional to 7,345.32, 10,131.53 and 4,691.54 is: 6,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.32 : 10,131.53 = 4,691.54 : x
  2. Step 2: Convert to fraction form
    7,345.32/10,131.53 = 4,691.54/x
  3. Step 3: Cross multiply
    7,345.32x = 10,131.53 × 4,691.54
  4. Step 4: Simplify right side
    7,345.32x = 47,532,404.14
  5. Step 5: Solve for x
    x = 47,532,404.14/7,345.32
  6. Step 6: Final answer
    x = 6,471.11

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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.