Home / 9,422.79-14,133.41-2,758.76

Finding the Fourth Proportional to 9,422.79, 14,133.41 and 2,758.76

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Solution

The fourth proportional to 9,422.79, 14,133.41 and 2,758.76 is: 4,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.79 : 14,133.41 = 2,758.76 : x
  2. Step 2: Convert to fraction form
    9,422.79/14,133.41 = 2,758.76/x
  3. Step 3: Cross multiply
    9,422.79x = 14,133.41 × 2,758.76
  4. Step 4: Simplify right side
    9,422.79x = 38,990,686.17
  5. Step 5: Solve for x
    x = 38,990,686.17/9,422.79
  6. Step 6: Final answer
    x = 4,137.91

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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.