Home / 7,565.75-11,340.21-5,710.85

Finding the Fourth Proportional to 7,565.75, 11,340.21 and 5,710.85

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Solution

The fourth proportional to 7,565.75, 11,340.21 and 5,710.85 is: 8,559.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,565.75 : 11,340.21 = 5,710.85 : x
  2. Step 2: Convert to fraction form
    7,565.75/11,340.21 = 5,710.85/x
  3. Step 3: Cross multiply
    7,565.75x = 11,340.21 × 5,710.85
  4. Step 4: Simplify right side
    7,565.75x = 64,762,238.28
  5. Step 5: Solve for x
    x = 64,762,238.28/7,565.75
  6. Step 6: Final answer
    x = 8,559.92

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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.