Home / 9,285.07-12,812.57-5,306.17

Finding the Fourth Proportional to 9,285.07, 12,812.57 and 5,306.17

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Solution

The fourth proportional to 9,285.07, 12,812.57 and 5,306.17 is: 7,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.07 : 12,812.57 = 5,306.17 : x
  2. Step 2: Convert to fraction form
    9,285.07/12,812.57 = 5,306.17/x
  3. Step 3: Cross multiply
    9,285.07x = 12,812.57 × 5,306.17
  4. Step 4: Simplify right side
    9,285.07x = 67,985,648.03
  5. Step 5: Solve for x
    x = 67,985,648.03/9,285.07
  6. Step 6: Final answer
    x = 7,322.04

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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.