Home / 5,371.04-7,412.40-2,981.12

Finding the Fourth Proportional to 5,371.04, 7,412.40 and 2,981.12

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Solution

The fourth proportional to 5,371.04, 7,412.40 and 2,981.12 is: 4,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.04 : 7,412.40 = 2,981.12 : x
  2. Step 2: Convert to fraction form
    5,371.04/7,412.40 = 2,981.12/x
  3. Step 3: Cross multiply
    5,371.04x = 7,412.40 × 2,981.12
  4. Step 4: Simplify right side
    5,371.04x = 22,097,253.89
  5. Step 5: Solve for x
    x = 22,097,253.89/5,371.04
  6. Step 6: Final answer
    x = 4,114.15

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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.