Home / 6,426.30-9,637.56-2,728.50

Finding the Fourth Proportional to 6,426.30, 9,637.56 and 2,728.50

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Solution

The fourth proportional to 6,426.30, 9,637.56 and 2,728.50 is: 4,091.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,426.30 : 9,637.56 = 2,728.50 : x
  2. Step 2: Convert to fraction form
    6,426.30/9,637.56 = 2,728.50/x
  3. Step 3: Cross multiply
    6,426.30x = 9,637.56 × 2,728.50
  4. Step 4: Simplify right side
    6,426.30x = 26,296,082.46
  5. Step 5: Solve for x
    x = 26,296,082.46/6,426.30
  6. Step 6: Final answer
    x = 4,091.95

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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.