Home / 5,499.90-8,253.36-5,135.40

Finding the Fourth Proportional to 5,499.90, 8,253.36 and 5,135.40

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Solution

The fourth proportional to 5,499.90, 8,253.36 and 5,135.40 is: 7,706.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,499.90 : 8,253.36 = 5,135.40 : x
  2. Step 2: Convert to fraction form
    5,499.90/8,253.36 = 5,135.40/x
  3. Step 3: Cross multiply
    5,499.90x = 8,253.36 × 5,135.40
  4. Step 4: Simplify right side
    5,499.90x = 42,384,304.94
  5. Step 5: Solve for x
    x = 42,384,304.94/5,499.90
  6. Step 6: Final answer
    x = 7,706.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.