Home / 5,386.20-8,066.34-3,649.56

Finding the Fourth Proportional to 5,386.20, 8,066.34 and 3,649.56

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Solution

The fourth proportional to 5,386.20, 8,066.34 and 3,649.56 is: 5,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.20 : 8,066.34 = 3,649.56 : x
  2. Step 2: Convert to fraction form
    5,386.20/8,066.34 = 3,649.56/x
  3. Step 3: Cross multiply
    5,386.20x = 8,066.34 × 3,649.56
  4. Step 4: Simplify right side
    5,386.20x = 29,438,591.81
  5. Step 5: Solve for x
    x = 29,438,591.81/5,386.20
  6. Step 6: Final answer
    x = 5,465.56

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1.5x scale

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.