Home / 7,617.19-11,426.13-2,686.88

Finding the Fourth Proportional to 7,617.19, 11,426.13 and 2,686.88

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Solution

The fourth proportional to 7,617.19, 11,426.13 and 2,686.88 is: 4,030.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,617.19 : 11,426.13 = 2,686.88 : x
  2. Step 2: Convert to fraction form
    7,617.19/11,426.13 = 2,686.88/x
  3. Step 3: Cross multiply
    7,617.19x = 11,426.13 × 2,686.88
  4. Step 4: Simplify right side
    7,617.19x = 30,700,640.17
  5. Step 5: Solve for x
    x = 30,700,640.17/7,617.19
  6. Step 6: Final answer
    x = 4,030.44

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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.