Home / 8,377.13-12,564.32-2,830.35

Finding the Fourth Proportional to 8,377.13, 12,564.32 and 2,830.35

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Solution

The fourth proportional to 8,377.13, 12,564.32 and 2,830.35 is: 4,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,377.13 : 12,564.32 = 2,830.35 : x
  2. Step 2: Convert to fraction form
    8,377.13/12,564.32 = 2,830.35/x
  3. Step 3: Cross multiply
    8,377.13x = 12,564.32 × 2,830.35
  4. Step 4: Simplify right side
    8,377.13x = 35,561,423.11
  5. Step 5: Solve for x
    x = 35,561,423.11/8,377.13
  6. Step 6: Final answer
    x = 4,245.06

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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.