Home / 9,288.17-12,814.55-5,306.46

Finding the Fourth Proportional to 9,288.17, 12,814.55 and 5,306.46

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Solution

The fourth proportional to 9,288.17, 12,814.55 and 5,306.46 is: 7,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288.17 : 12,814.55 = 5,306.46 : x
  2. Step 2: Convert to fraction form
    9,288.17/12,814.55 = 5,306.46/x
  3. Step 3: Cross multiply
    9,288.17x = 12,814.55 × 5,306.46
  4. Step 4: Simplify right side
    9,288.17x = 67,999,870.46
  5. Step 5: Solve for x
    x = 67,999,870.46/9,288.17
  6. Step 6: Final answer
    x = 7,321.13

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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.