Home / 5,427.02-7,487.12-3,540.26

Finding the Fourth Proportional to 5,427.02, 7,487.12 and 3,540.26

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Solution

The fourth proportional to 5,427.02, 7,487.12 and 3,540.26 is: 4,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.02 : 7,487.12 = 3,540.26 : x
  2. Step 2: Convert to fraction form
    5,427.02/7,487.12 = 3,540.26/x
  3. Step 3: Cross multiply
    5,427.02x = 7,487.12 × 3,540.26
  4. Step 4: Simplify right side
    5,427.02x = 26,506,333.75
  5. Step 5: Solve for x
    x = 26,506,333.75/5,427.02
  6. Step 6: Final answer
    x = 4,884.14

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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.