Home / 8,424.39-12,612.97-4,466.70

Finding the Fourth Proportional to 8,424.39, 12,612.97 and 4,466.70

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Solution

The fourth proportional to 8,424.39, 12,612.97 and 4,466.70 is: 6,687.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,424.39 : 12,612.97 = 4,466.70 : x
  2. Step 2: Convert to fraction form
    8,424.39/12,612.97 = 4,466.70/x
  3. Step 3: Cross multiply
    8,424.39x = 12,612.97 × 4,466.70
  4. Step 4: Simplify right side
    8,424.39x = 56,338,353.10
  5. Step 5: Solve for x
    x = 56,338,353.10/8,424.39
  6. Step 6: Final answer
    x = 6,687.53

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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.