Home / 6,519.38-8,988.38-4,277.40

Finding the Fourth Proportional to 6,519.38, 8,988.38 and 4,277.40

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Solution

The fourth proportional to 6,519.38, 8,988.38 and 4,277.40 is: 5,897.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.38 : 8,988.38 = 4,277.40 : x
  2. Step 2: Convert to fraction form
    6,519.38/8,988.38 = 4,277.40/x
  3. Step 3: Cross multiply
    6,519.38x = 8,988.38 × 4,277.40
  4. Step 4: Simplify right side
    6,519.38x = 38,446,896.61
  5. Step 5: Solve for x
    x = 38,446,896.61/6,519.38
  6. Step 6: Final answer
    x = 5,897.32

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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.