Home / 5,417.88-8,115.48-3,460.12

Finding the Fourth Proportional to 5,417.88, 8,115.48 and 3,460.12

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Solution

The fourth proportional to 5,417.88, 8,115.48 and 3,460.12 is: 5,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.88 : 8,115.48 = 3,460.12 : x
  2. Step 2: Convert to fraction form
    5,417.88/8,115.48 = 3,460.12/x
  3. Step 3: Cross multiply
    5,417.88x = 8,115.48 × 3,460.12
  4. Step 4: Simplify right side
    5,417.88x = 28,080,534.66
  5. Step 5: Solve for x
    x = 28,080,534.66/5,417.88
  6. Step 6: Final answer
    x = 5,182.94

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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.