Home / 5,387.52-7,435.01-3,291.24

Finding the Fourth Proportional to 5,387.52, 7,435.01 and 3,291.24

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Solution

The fourth proportional to 5,387.52, 7,435.01 and 3,291.24 is: 4,542.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.52 : 7,435.01 = 3,291.24 : x
  2. Step 2: Convert to fraction form
    5,387.52/7,435.01 = 3,291.24/x
  3. Step 3: Cross multiply
    5,387.52x = 7,435.01 × 3,291.24
  4. Step 4: Simplify right side
    5,387.52x = 24,470,402.31
  5. Step 5: Solve for x
    x = 24,470,402.31/5,387.52
  6. Step 6: Final answer
    x = 4,542.05

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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.