Home / 9,325.76-12,869.55-5,134.01

Finding the Fourth Proportional to 9,325.76, 12,869.55 and 5,134.01

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Solution

The fourth proportional to 9,325.76, 12,869.55 and 5,134.01 is: 7,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.76 : 12,869.55 = 5,134.01 : x
  2. Step 2: Convert to fraction form
    9,325.76/12,869.55 = 5,134.01/x
  3. Step 3: Cross multiply
    9,325.76x = 12,869.55 × 5,134.01
  4. Step 4: Simplify right side
    9,325.76x = 66,072,348.58
  5. Step 5: Solve for x
    x = 66,072,348.58/9,325.76
  6. Step 6: Final answer
    x = 7,084.93

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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.