Home / 4,652.92-6,420.76-2,557.18

Finding the Fourth Proportional to 4,652.92, 6,420.76 and 2,557.18

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Solution

The fourth proportional to 4,652.92, 6,420.76 and 2,557.18 is: 3,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,652.92 : 6,420.76 = 2,557.18 : x
  2. Step 2: Convert to fraction form
    4,652.92/6,420.76 = 2,557.18/x
  3. Step 3: Cross multiply
    4,652.92x = 6,420.76 × 2,557.18
  4. Step 4: Simplify right side
    4,652.92x = 16,419,039.06
  5. Step 5: Solve for x
    x = 16,419,039.06/4,652.92
  6. Step 6: Final answer
    x = 3,528.76

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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.