Home / 6,638.28-9,957.69-2,256.18

Finding the Fourth Proportional to 6,638.28, 9,957.69 and 2,256.18

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Solution

The fourth proportional to 6,638.28, 9,957.69 and 2,256.18 is: 3,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.28 : 9,957.69 = 2,256.18 : x
  2. Step 2: Convert to fraction form
    6,638.28/9,957.69 = 2,256.18/x
  3. Step 3: Cross multiply
    6,638.28x = 9,957.69 × 2,256.18
  4. Step 4: Simplify right side
    6,638.28x = 22,466,341.02
  5. Step 5: Solve for x
    x = 22,466,341.02/6,638.28
  6. Step 6: Final answer
    x = 3,384.36

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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.