Home / 7,358.24-10,139.64-5,679.92

Finding the Fourth Proportional to 7,358.24, 10,139.64 and 5,679.92

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Solution

The fourth proportional to 7,358.24, 10,139.64 and 5,679.92 is: 7,826.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,358.24 : 10,139.64 = 5,679.92 : x
  2. Step 2: Convert to fraction form
    7,358.24/10,139.64 = 5,679.92/x
  3. Step 3: Cross multiply
    7,358.24x = 10,139.64 × 5,679.92
  4. Step 4: Simplify right side
    7,358.24x = 57,592,344.03
  5. Step 5: Solve for x
    x = 57,592,344.03/7,358.24
  6. Step 6: Final answer
    x = 7,826.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.