Home / 4,988.60-6,881.46-2,892.44

Finding the Fourth Proportional to 4,988.60, 6,881.46 and 2,892.44

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Solution

The fourth proportional to 4,988.60, 6,881.46 and 2,892.44 is: 3,989.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.60 : 6,881.46 = 2,892.44 : x
  2. Step 2: Convert to fraction form
    4,988.60/6,881.46 = 2,892.44/x
  3. Step 3: Cross multiply
    4,988.60x = 6,881.46 × 2,892.44
  4. Step 4: Simplify right side
    4,988.60x = 19,904,210.16
  5. Step 5: Solve for x
    x = 19,904,210.16/4,988.60
  6. Step 6: Final answer
    x = 3,989.94

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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.