Home / 4,721.60-7,079.21-2,643.04

Finding the Fourth Proportional to 4,721.60, 7,079.21 and 2,643.04

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Solution

The fourth proportional to 4,721.60, 7,079.21 and 2,643.04 is: 3,962.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.60 : 7,079.21 = 2,643.04 : x
  2. Step 2: Convert to fraction form
    4,721.60/7,079.21 = 2,643.04/x
  3. Step 3: Cross multiply
    4,721.60x = 7,079.21 × 2,643.04
  4. Step 4: Simplify right side
    4,721.60x = 18,710,654.55
  5. Step 5: Solve for x
    x = 18,710,654.55/4,721.60
  6. Step 6: Final answer
    x = 3,962.78

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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.