Home / 7,139.52-10,758.03-5,869.44

Finding the Fourth Proportional to 7,139.52, 10,758.03 and 5,869.44

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Solution

The fourth proportional to 7,139.52, 10,758.03 and 5,869.44 is: 8,844.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139.52 : 10,758.03 = 5,869.44 : x
  2. Step 2: Convert to fraction form
    7,139.52/10,758.03 = 5,869.44/x
  3. Step 3: Cross multiply
    7,139.52x = 10,758.03 × 5,869.44
  4. Step 4: Simplify right side
    7,139.52x = 63,143,611.60
  5. Step 5: Solve for x
    x = 63,143,611.60/7,139.52
  6. Step 6: Final answer
    x = 8,844.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.