Home / 5,427.47-7,489.80-3,037.30

Finding the Fourth Proportional to 5,427.47, 7,489.80 and 3,037.30

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Solution

The fourth proportional to 5,427.47, 7,489.80 and 3,037.30 is: 4,191.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.47 : 7,489.80 = 3,037.30 : x
  2. Step 2: Convert to fraction form
    5,427.47/7,489.80 = 3,037.30/x
  3. Step 3: Cross multiply
    5,427.47x = 7,489.80 × 3,037.30
  4. Step 4: Simplify right side
    5,427.47x = 22,748,750.82
  5. Step 5: Solve for x
    x = 22,748,750.82/5,427.47
  6. Step 6: Final answer
    x = 4,191.41

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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.