Home / 8,408.68-12,613.34-2,565.80

Finding the Fourth Proportional to 8,408.68, 12,613.34 and 2,565.80

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Solution

The fourth proportional to 8,408.68, 12,613.34 and 2,565.80 is: 3,848.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.68 : 12,613.34 = 2,565.80 : x
  2. Step 2: Convert to fraction form
    8,408.68/12,613.34 = 2,565.80/x
  3. Step 3: Cross multiply
    8,408.68x = 12,613.34 × 2,565.80
  4. Step 4: Simplify right side
    8,408.68x = 32,363,307.77
  5. Step 5: Solve for x
    x = 32,363,307.77/8,408.68
  6. Step 6: Final answer
    x = 3,848.80

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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.