Home / 5,711.52-8,574.60-3,116.28

Finding the Fourth Proportional to 5,711.52, 8,574.60 and 3,116.28

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Solution

The fourth proportional to 5,711.52, 8,574.60 and 3,116.28 is: 4,678.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,711.52 : 8,574.60 = 3,116.28 : x
  2. Step 2: Convert to fraction form
    5,711.52/8,574.60 = 3,116.28/x
  3. Step 3: Cross multiply
    5,711.52x = 8,574.60 × 3,116.28
  4. Step 4: Simplify right side
    5,711.52x = 26,720,854.49
  5. Step 5: Solve for x
    x = 26,720,854.49/5,711.52
  6. Step 6: Final answer
    x = 4,678.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.