Home / 9,285.69-12,814.95-5,306.97

Finding the Fourth Proportional to 9,285.69, 12,814.95 and 5,306.97

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Solution

The fourth proportional to 9,285.69, 12,814.95 and 5,306.97 is: 7,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.69 : 12,814.95 = 5,306.97 : x
  2. Step 2: Convert to fraction form
    9,285.69/12,814.95 = 5,306.97/x
  3. Step 3: Cross multiply
    9,285.69x = 12,814.95 × 5,306.97
  4. Step 4: Simplify right side
    9,285.69x = 68,008,555.20
  5. Step 5: Solve for x
    x = 68,008,555.20/9,285.69
  6. Step 6: Final answer
    x = 7,324.02

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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.