Home / 7,539.66-11,308.45-5,281.35

Finding the Fourth Proportional to 7,539.66, 11,308.45 and 5,281.35

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Solution

The fourth proportional to 7,539.66, 11,308.45 and 5,281.35 is: 7,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.66 : 11,308.45 = 5,281.35 : x
  2. Step 2: Convert to fraction form
    7,539.66/11,308.45 = 5,281.35/x
  3. Step 3: Cross multiply
    7,539.66x = 11,308.45 × 5,281.35
  4. Step 4: Simplify right side
    7,539.66x = 59,723,882.41
  5. Step 5: Solve for x
    x = 59,723,882.41/7,539.66
  6. Step 6: Final answer
    x = 7,921.30

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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.