Home / 7,539.98-11,265.35-7,281.59

Finding the Fourth Proportional to 7,539.98, 11,265.35 and 7,281.59

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Solution

The fourth proportional to 7,539.98, 11,265.35 and 7,281.59 is: 10,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.98 : 11,265.35 = 7,281.59 : x
  2. Step 2: Convert to fraction form
    7,539.98/11,265.35 = 7,281.59/x
  3. Step 3: Cross multiply
    7,539.98x = 11,265.35 × 7,281.59
  4. Step 4: Simplify right side
    7,539.98x = 82,029,567.17
  5. Step 5: Solve for x
    x = 82,029,567.17/7,539.98
  6. Step 6: Final answer
    x = 10,879.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.