Home / 8,890.08-12,264.24-5,163.36

Finding the Fourth Proportional to 8,890.08, 12,264.24 and 5,163.36

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Solution

The fourth proportional to 8,890.08, 12,264.24 and 5,163.36 is: 7,123.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.08 : 12,264.24 = 5,163.36 : x
  2. Step 2: Convert to fraction form
    8,890.08/12,264.24 = 5,163.36/x
  3. Step 3: Cross multiply
    8,890.08x = 12,264.24 × 5,163.36
  4. Step 4: Simplify right side
    8,890.08x = 63,324,686.25
  5. Step 5: Solve for x
    x = 63,324,686.25/8,890.08
  6. Step 6: Final answer
    x = 7,123.07

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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.