Home / 4,821.95-6,652.32-3,142.74

Finding the Fourth Proportional to 4,821.95, 6,652.32 and 3,142.74

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Solution

The fourth proportional to 4,821.95, 6,652.32 and 3,142.74 is: 4,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,821.95 : 6,652.32 = 3,142.74 : x
  2. Step 2: Convert to fraction form
    4,821.95/6,652.32 = 3,142.74/x
  3. Step 3: Cross multiply
    4,821.95x = 6,652.32 × 3,142.74
  4. Step 4: Simplify right side
    4,821.95x = 20,906,512.16
  5. Step 5: Solve for x
    x = 20,906,512.16/4,821.95
  6. Step 6: Final answer
    x = 4,335.70

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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.