Home / 9,884.50-13,640.62-5,692.76

Finding the Fourth Proportional to 9,884.50, 13,640.62 and 5,692.76

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Solution

The fourth proportional to 9,884.50, 13,640.62 and 5,692.76 is: 7,856.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,884.50 : 13,640.62 = 5,692.76 : x
  2. Step 2: Convert to fraction form
    9,884.50/13,640.62 = 5,692.76/x
  3. Step 3: Cross multiply
    9,884.50x = 13,640.62 × 5,692.76
  4. Step 4: Simplify right side
    9,884.50x = 77,652,775.91
  5. Step 5: Solve for x
    x = 77,652,775.91/9,884.50
  6. Step 6: Final answer
    x = 7,856.01

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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.