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Finding the Fourth Proportional to 4,959.68, 7,434.33 and 1,671.63

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Solution

The fourth proportional to 4,959.68, 7,434.33 and 1,671.63 is: 2,505.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.68 : 7,434.33 = 1,671.63 : x
  2. Step 2: Convert to fraction form
    4,959.68/7,434.33 = 1,671.63/x
  3. Step 3: Cross multiply
    4,959.68x = 7,434.33 × 1,671.63
  4. Step 4: Simplify right side
    4,959.68x = 12,427,468.58
  5. Step 5: Solve for x
    x = 12,427,468.58/4,959.68
  6. Step 6: Final answer
    x = 2,505.70

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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.