Home / 8,569.22-12,839.73-5,275.35

Finding the Fourth Proportional to 8,569.22, 12,839.73 and 5,275.35

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Solution

The fourth proportional to 8,569.22, 12,839.73 and 5,275.35 is: 7,904.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,569.22 : 12,839.73 = 5,275.35 : x
  2. Step 2: Convert to fraction form
    8,569.22/12,839.73 = 5,275.35/x
  3. Step 3: Cross multiply
    8,569.22x = 12,839.73 × 5,275.35
  4. Step 4: Simplify right side
    8,569.22x = 67,734,069.66
  5. Step 5: Solve for x
    x = 67,734,069.66/8,569.22
  6. Step 6: Final answer
    x = 7,904.35

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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.