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Finding the Fourth Proportional to 4,669.04, 6,444.42 and 2,781.74

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Solution

The fourth proportional to 4,669.04, 6,444.42 and 2,781.74 is: 3,839.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.04 : 6,444.42 = 2,781.74 : x
  2. Step 2: Convert to fraction form
    4,669.04/6,444.42 = 2,781.74/x
  3. Step 3: Cross multiply
    4,669.04x = 6,444.42 × 2,781.74
  4. Step 4: Simplify right side
    4,669.04x = 17,926,700.89
  5. Step 5: Solve for x
    x = 17,926,700.89/4,669.04
  6. Step 6: Final answer
    x = 3,839.48

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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.