Home / 5,437.52-8,155.56-1,542.20

Finding the Fourth Proportional to 5,437.52, 8,155.56 and 1,542.20

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Solution

The fourth proportional to 5,437.52, 8,155.56 and 1,542.20 is: 2,313.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,437.52 : 8,155.56 = 1,542.20 : x
  2. Step 2: Convert to fraction form
    5,437.52/8,155.56 = 1,542.20/x
  3. Step 3: Cross multiply
    5,437.52x = 8,155.56 × 1,542.20
  4. Step 4: Simplify right side
    5,437.52x = 12,577,504.63
  5. Step 5: Solve for x
    x = 12,577,504.63/5,437.52
  6. Step 6: Final answer
    x = 2,313.10

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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.