Home / 8,408.18-12,612.28-2,564.48

Finding the Fourth Proportional to 8,408.18, 12,612.28 and 2,564.48

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Solution

The fourth proportional to 8,408.18, 12,612.28 and 2,564.48 is: 3,846.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,408.18 : 12,612.28 = 2,564.48 : x
  2. Step 2: Convert to fraction form
    8,408.18/12,612.28 = 2,564.48/x
  3. Step 3: Cross multiply
    8,408.18x = 12,612.28 × 2,564.48
  4. Step 4: Simplify right side
    8,408.18x = 32,343,939.81
  5. Step 5: Solve for x
    x = 32,343,939.81/8,408.18
  6. Step 6: Final answer
    x = 3,846.72

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Similar ratio
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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.