Home / 8,868.08-12,237.91-5,091.66

Finding the Fourth Proportional to 8,868.08, 12,237.91 and 5,091.66

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Solution

The fourth proportional to 8,868.08, 12,237.91 and 5,091.66 is: 7,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,868.08 : 12,237.91 = 5,091.66 : x
  2. Step 2: Convert to fraction form
    8,868.08/12,237.91 = 5,091.66/x
  3. Step 3: Cross multiply
    8,868.08x = 12,237.91 × 5,091.66
  4. Step 4: Simplify right side
    8,868.08x = 62,311,264.10
  5. Step 5: Solve for x
    x = 62,311,264.10/8,868.08
  6. Step 6: Final answer
    x = 7,026.46

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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.