Home / 5,726.60-8,565.90-5,145.80

Finding the Fourth Proportional to 5,726.60, 8,565.90 and 5,145.80

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Solution

The fourth proportional to 5,726.60, 8,565.90 and 5,145.80 is: 7,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.60 : 8,565.90 = 5,145.80 : x
  2. Step 2: Convert to fraction form
    5,726.60/8,565.90 = 5,145.80/x
  3. Step 3: Cross multiply
    5,726.60x = 8,565.90 × 5,145.80
  4. Step 4: Simplify right side
    5,726.60x = 44,078,408.22
  5. Step 5: Solve for x
    x = 44,078,408.22/5,726.60
  6. Step 6: Final answer
    x = 7,697.13

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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.