Home / 8,744.95-13,120.85-5,045.23

Finding the Fourth Proportional to 8,744.95, 13,120.85 and 5,045.23

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Solution

The fourth proportional to 8,744.95, 13,120.85 and 5,045.23 is: 7,569.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.95 : 13,120.85 = 5,045.23 : x
  2. Step 2: Convert to fraction form
    8,744.95/13,120.85 = 5,045.23/x
  3. Step 3: Cross multiply
    8,744.95x = 13,120.85 × 5,045.23
  4. Step 4: Simplify right side
    8,744.95x = 66,197,706.05
  5. Step 5: Solve for x
    x = 66,197,706.05/8,744.95
  6. Step 6: Final answer
    x = 7,569.82

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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.