Home / 4,787.47-6,606.65-2,691.60

Finding the Fourth Proportional to 4,787.47, 6,606.65 and 2,691.60

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Solution

The fourth proportional to 4,787.47, 6,606.65 and 2,691.60 is: 3,714.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.47 : 6,606.65 = 2,691.60 : x
  2. Step 2: Convert to fraction form
    4,787.47/6,606.65 = 2,691.60/x
  3. Step 3: Cross multiply
    4,787.47x = 6,606.65 × 2,691.60
  4. Step 4: Simplify right side
    4,787.47x = 17,782,420.91
  5. Step 5: Solve for x
    x = 17,782,420.91/4,787.47
  6. Step 6: Final answer
    x = 3,714.37

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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.