Home / 9,434.12-14,149.28-2,858.76

Finding the Fourth Proportional to 9,434.12, 14,149.28 and 2,858.76

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Solution

The fourth proportional to 9,434.12, 14,149.28 and 2,858.76 is: 4,287.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,434.12 : 14,149.28 = 2,858.76 : x
  2. Step 2: Convert to fraction form
    9,434.12/14,149.28 = 2,858.76/x
  3. Step 3: Cross multiply
    9,434.12x = 14,149.28 × 2,858.76
  4. Step 4: Simplify right side
    9,434.12x = 40,449,395.69
  5. Step 5: Solve for x
    x = 40,449,395.69/9,434.12
  6. Step 6: Final answer
    x = 4,287.56

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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.