Home / 9,262.80-12,779.50-5,281.04

Finding the Fourth Proportional to 9,262.80, 12,779.50 and 5,281.04

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Solution

The fourth proportional to 9,262.80, 12,779.50 and 5,281.04 is: 7,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,262.80 : 12,779.50 = 5,281.04 : x
  2. Step 2: Convert to fraction form
    9,262.80/12,779.50 = 5,281.04/x
  3. Step 3: Cross multiply
    9,262.80x = 12,779.50 × 5,281.04
  4. Step 4: Simplify right side
    9,262.80x = 67,489,050.68
  5. Step 5: Solve for x
    x = 67,489,050.68/9,262.80
  6. Step 6: Final answer
    x = 7,286.03

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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.