Home / 4,781.38-6,598.30-2,685.50

Finding the Fourth Proportional to 4,781.38, 6,598.30 and 2,685.50

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Solution

The fourth proportional to 4,781.38, 6,598.30 and 2,685.50 is: 3,705.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,781.38 : 6,598.30 = 2,685.50 : x
  2. Step 2: Convert to fraction form
    4,781.38/6,598.30 = 2,685.50/x
  3. Step 3: Cross multiply
    4,781.38x = 6,598.30 × 2,685.50
  4. Step 4: Simplify right side
    4,781.38x = 17,719,734.65
  5. Step 5: Solve for x
    x = 17,719,734.65/4,781.38
  6. Step 6: Final answer
    x = 3,705.99

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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.