Home / 9,338.69-12,887.21-5,089.77

Finding the Fourth Proportional to 9,338.69, 12,887.21 and 5,089.77

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Solution

The fourth proportional to 9,338.69, 12,887.21 and 5,089.77 is: 7,023.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,338.69 : 12,887.21 = 5,089.77 : x
  2. Step 2: Convert to fraction form
    9,338.69/12,887.21 = 5,089.77/x
  3. Step 3: Cross multiply
    9,338.69x = 12,887.21 × 5,089.77
  4. Step 4: Simplify right side
    9,338.69x = 65,592,947.57
  5. Step 5: Solve for x
    x = 65,592,947.57/9,338.69
  6. Step 6: Final answer
    x = 7,023.78

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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.