Home / 5,402.90-7,455.72-3,045.18

Finding the Fourth Proportional to 5,402.90, 7,455.72 and 3,045.18

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Solution

The fourth proportional to 5,402.90, 7,455.72 and 3,045.18 is: 4,202.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.90 : 7,455.72 = 3,045.18 : x
  2. Step 2: Convert to fraction form
    5,402.90/7,455.72 = 3,045.18/x
  3. Step 3: Cross multiply
    5,402.90x = 7,455.72 × 3,045.18
  4. Step 4: Simplify right side
    5,402.90x = 22,704,009.43
  5. Step 5: Solve for x
    x = 22,704,009.43/5,402.90
  6. Step 6: Final answer
    x = 4,202.19

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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.