Home / 5,612.18-7,744.84-3,255.72

Finding the Fourth Proportional to 5,612.18, 7,744.84 and 3,255.72

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Solution

The fourth proportional to 5,612.18, 7,744.84 and 3,255.72 is: 4,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,612.18 : 7,744.84 = 3,255.72 : x
  2. Step 2: Convert to fraction form
    5,612.18/7,744.84 = 3,255.72/x
  3. Step 3: Cross multiply
    5,612.18x = 7,744.84 × 3,255.72
  4. Step 4: Simplify right side
    5,612.18x = 25,215,030.48
  5. Step 5: Solve for x
    x = 25,215,030.48/5,612.18
  6. Step 6: Final answer
    x = 4,492.91

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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.