Home / 7,472.79-10,307.66-4,489.56

Finding the Fourth Proportional to 7,472.79, 10,307.66 and 4,489.56

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Solution

The fourth proportional to 7,472.79, 10,307.66 and 4,489.56 is: 6,192.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.79 : 10,307.66 = 4,489.56 : x
  2. Step 2: Convert to fraction form
    7,472.79/10,307.66 = 4,489.56/x
  3. Step 3: Cross multiply
    7,472.79x = 10,307.66 × 4,489.56
  4. Step 4: Simplify right side
    7,472.79x = 46,276,835.58
  5. Step 5: Solve for x
    x = 46,276,835.58/7,472.79
  6. Step 6: Final answer
    x = 6,192.71

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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.