Home / 8,890.11-12,267.52-5,697.77

Finding the Fourth Proportional to 8,890.11, 12,267.52 and 5,697.77

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Solution

The fourth proportional to 8,890.11, 12,267.52 and 5,697.77 is: 7,862.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.11 : 12,267.52 = 5,697.77 : x
  2. Step 2: Convert to fraction form
    8,890.11/12,267.52 = 5,697.77/x
  3. Step 3: Cross multiply
    8,890.11x = 12,267.52 × 5,697.77
  4. Step 4: Simplify right side
    8,890.11x = 69,897,431.85
  5. Step 5: Solve for x
    x = 69,897,431.85/8,890.11
  6. Step 6: Final answer
    x = 7,862.38

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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.