Home / 9,278.92-13,891.80-5,758.36

Finding the Fourth Proportional to 9,278.92, 13,891.80 and 5,758.36

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Solution

The fourth proportional to 9,278.92, 13,891.80 and 5,758.36 is: 8,621.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,278.92 : 13,891.80 = 5,758.36 : x
  2. Step 2: Convert to fraction form
    9,278.92/13,891.80 = 5,758.36/x
  3. Step 3: Cross multiply
    9,278.92x = 13,891.80 × 5,758.36
  4. Step 4: Simplify right side
    9,278.92x = 79,993,985.45
  5. Step 5: Solve for x
    x = 79,993,985.45/9,278.92
  6. Step 6: Final answer
    x = 8,621.04

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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.