Home / 5,343.47-7,374.14-2,985.56

Finding the Fourth Proportional to 5,343.47, 7,374.14 and 2,985.56

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Solution

The fourth proportional to 5,343.47, 7,374.14 and 2,985.56 is: 4,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.47 : 7,374.14 = 2,985.56 : x
  2. Step 2: Convert to fraction form
    5,343.47/7,374.14 = 2,985.56/x
  3. Step 3: Cross multiply
    5,343.47x = 7,374.14 × 2,985.56
  4. Step 4: Simplify right side
    5,343.47x = 22,015,885.62
  5. Step 5: Solve for x
    x = 22,015,885.62/5,343.47
  6. Step 6: Final answer
    x = 4,120.15

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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.