Home / 4,787.63-6,606.20-2,691.35

Finding the Fourth Proportional to 4,787.63, 6,606.20 and 2,691.35

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Solution

The fourth proportional to 4,787.63, 6,606.20 and 2,691.35 is: 3,713.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.63 : 6,606.20 = 2,691.35 : x
  2. Step 2: Convert to fraction form
    4,787.63/6,606.20 = 2,691.35/x
  3. Step 3: Cross multiply
    4,787.63x = 6,606.20 × 2,691.35
  4. Step 4: Simplify right side
    4,787.63x = 17,779,549.88
  5. Step 5: Solve for x
    x = 17,779,549.88/4,787.63
  6. Step 6: Final answer
    x = 3,713.65

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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.