Home / 5,330.29-7,354.56-3,090.90

Finding the Fourth Proportional to 5,330.29, 7,354.56 and 3,090.90

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Solution

The fourth proportional to 5,330.29, 7,354.56 and 3,090.90 is: 4,264.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.29 : 7,354.56 = 3,090.90 : x
  2. Step 2: Convert to fraction form
    5,330.29/7,354.56 = 3,090.90/x
  3. Step 3: Cross multiply
    5,330.29x = 7,354.56 × 3,090.90
  4. Step 4: Simplify right side
    5,330.29x = 22,732,209.50
  5. Step 5: Solve for x
    x = 22,732,209.50/5,330.29
  6. Step 6: Final answer
    x = 4,264.72

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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.