Home / 8,071.38-11,139-4,534.59

Finding the Fourth Proportional to 8,071.38, 11,139 and 4,534.59

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Solution

The fourth proportional to 8,071.38, 11,139 and 4,534.59 is: 6,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,071.38 : 11,139 = 4,534.59 : x
  2. Step 2: Convert to fraction form
    8,071.38/11,139 = 4,534.59/x
  3. Step 3: Cross multiply
    8,071.38x = 11,139 × 4,534.59
  4. Step 4: Simplify right side
    8,071.38x = 50,510,798.01
  5. Step 5: Solve for x
    x = 50,510,798.01/8,071.38
  6. Step 6: Final answer
    x = 6,258.01

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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.