Home / 4,712.42-6,503.28-2,722.80

Finding the Fourth Proportional to 4,712.42, 6,503.28 and 2,722.80

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Solution

The fourth proportional to 4,712.42, 6,503.28 and 2,722.80 is: 3,757.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,712.42 : 6,503.28 = 2,722.80 : x
  2. Step 2: Convert to fraction form
    4,712.42/6,503.28 = 2,722.80/x
  3. Step 3: Cross multiply
    4,712.42x = 6,503.28 × 2,722.80
  4. Step 4: Simplify right side
    4,712.42x = 17,707,130.78
  5. Step 5: Solve for x
    x = 17,707,130.78/4,712.42
  6. Step 6: Final answer
    x = 3,757.55

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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.