Home / 9,051.28-13,565.58-4,891.12

Finding the Fourth Proportional to 9,051.28, 13,565.58 and 4,891.12

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Solution

The fourth proportional to 9,051.28, 13,565.58 and 4,891.12 is: 7,330.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.28 : 13,565.58 = 4,891.12 : x
  2. Step 2: Convert to fraction form
    9,051.28/13,565.58 = 4,891.12/x
  3. Step 3: Cross multiply
    9,051.28x = 13,565.58 × 4,891.12
  4. Step 4: Simplify right side
    9,051.28x = 66,350,879.65
  5. Step 5: Solve for x
    x = 66,350,879.65/9,051.28
  6. Step 6: Final answer
    x = 7,330.55

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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.