Home / 7,472.96-11,248.40-6,345.44

Finding the Fourth Proportional to 7,472.96, 11,248.40 and 6,345.44

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Solution

The fourth proportional to 7,472.96, 11,248.40 and 6,345.44 is: 9,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.96 : 11,248.40 = 6,345.44 : x
  2. Step 2: Convert to fraction form
    7,472.96/11,248.40 = 6,345.44/x
  3. Step 3: Cross multiply
    7,472.96x = 11,248.40 × 6,345.44
  4. Step 4: Simplify right side
    7,472.96x = 71,376,047.30
  5. Step 5: Solve for x
    x = 71,376,047.30/7,472.96
  6. Step 6: Final answer
    x = 9,551.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.