Home / 5,308.48-7,962.40-2,187.52

Finding the Fourth Proportional to 5,308.48, 7,962.40 and 2,187.52

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Solution

The fourth proportional to 5,308.48, 7,962.40 and 2,187.52 is: 3,281.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308.48 : 7,962.40 = 2,187.52 : x
  2. Step 2: Convert to fraction form
    5,308.48/7,962.40 = 2,187.52/x
  3. Step 3: Cross multiply
    5,308.48x = 7,962.40 × 2,187.52
  4. Step 4: Simplify right side
    5,308.48x = 17,417,909.25
  5. Step 5: Solve for x
    x = 17,417,909.25/5,308.48
  6. Step 6: Final answer
    x = 3,281.15

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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.