Home / 9,070.38-13,608-5,177.52

Finding the Fourth Proportional to 9,070.38, 13,608 and 5,177.52

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Solution

The fourth proportional to 9,070.38, 13,608 and 5,177.52 is: 7,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.38 : 13,608 = 5,177.52 : x
  2. Step 2: Convert to fraction form
    9,070.38/13,608 = 5,177.52/x
  3. Step 3: Cross multiply
    9,070.38x = 13,608 × 5,177.52
  4. Step 4: Simplify right side
    9,070.38x = 70,455,692.16
  5. Step 5: Solve for x
    x = 70,455,692.16/9,070.38
  6. Step 6: Final answer
    x = 7,767.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.