Home / 5,897.09-8,139.38-3,380.67

Finding the Fourth Proportional to 5,897.09, 8,139.38 and 3,380.67

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Solution

The fourth proportional to 5,897.09, 8,139.38 and 3,380.67 is: 4,666.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,897.09 : 8,139.38 = 3,380.67 : x
  2. Step 2: Convert to fraction form
    5,897.09/8,139.38 = 3,380.67/x
  3. Step 3: Cross multiply
    5,897.09x = 8,139.38 × 3,380.67
  4. Step 4: Simplify right side
    5,897.09x = 27,516,540.88
  5. Step 5: Solve for x
    x = 27,516,540.88/5,897.09
  6. Step 6: Final answer
    x = 4,666.13

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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.