Home / 7,688.80-11,535.02-3,306.28

Finding the Fourth Proportional to 7,688.80, 11,535.02 and 3,306.28

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Solution

The fourth proportional to 7,688.80, 11,535.02 and 3,306.28 is: 4,960.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.80 : 11,535.02 = 3,306.28 : x
  2. Step 2: Convert to fraction form
    7,688.80/11,535.02 = 3,306.28/x
  3. Step 3: Cross multiply
    7,688.80x = 11,535.02 × 3,306.28
  4. Step 4: Simplify right side
    7,688.80x = 38,138,005.93
  5. Step 5: Solve for x
    x = 38,138,005.93/7,688.80
  6. Step 6: Final answer
    x = 4,960.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.