Home / 4,630.59-6,390.24-2,641.20

Finding the Fourth Proportional to 4,630.59, 6,390.24 and 2,641.20

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Solution

The fourth proportional to 4,630.59, 6,390.24 and 2,641.20 is: 3,644.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.59 : 6,390.24 = 2,641.20 : x
  2. Step 2: Convert to fraction form
    4,630.59/6,390.24 = 2,641.20/x
  3. Step 3: Cross multiply
    4,630.59x = 6,390.24 × 2,641.20
  4. Step 4: Simplify right side
    4,630.59x = 16,877,901.89
  5. Step 5: Solve for x
    x = 16,877,901.89/4,630.59
  6. Step 6: Final answer
    x = 3,644.87

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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.