Home / 6,434.64-8,874.97-4,312.57

Finding the Fourth Proportional to 6,434.64, 8,874.97 and 4,312.57

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Solution

The fourth proportional to 6,434.64, 8,874.97 and 4,312.57 is: 5,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.64 : 8,874.97 = 4,312.57 : x
  2. Step 2: Convert to fraction form
    6,434.64/8,874.97 = 4,312.57/x
  3. Step 3: Cross multiply
    6,434.64x = 8,874.97 × 4,312.57
  4. Step 4: Simplify right side
    6,434.64x = 38,273,888.08
  5. Step 5: Solve for x
    x = 38,273,888.08/6,434.64
  6. Step 6: Final answer
    x = 5,948.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.