Home / 9,287.15-13,920.93-3,045.53

Finding the Fourth Proportional to 9,287.15, 13,920.93 and 3,045.53

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Solution

The fourth proportional to 9,287.15, 13,920.93 and 3,045.53 is: 4,565.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.15 : 13,920.93 = 3,045.53 : x
  2. Step 2: Convert to fraction form
    9,287.15/13,920.93 = 3,045.53/x
  3. Step 3: Cross multiply
    9,287.15x = 13,920.93 × 3,045.53
  4. Step 4: Simplify right side
    9,287.15x = 42,396,609.94
  5. Step 5: Solve for x
    x = 42,396,609.94/9,287.15
  6. Step 6: Final answer
    x = 4,565.08

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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.