Home / 6,117.01-9,178.56-2,421.90

Finding the Fourth Proportional to 6,117.01, 9,178.56 and 2,421.90

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Solution

The fourth proportional to 6,117.01, 9,178.56 and 2,421.90 is: 3,634.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,117.01 : 9,178.56 = 2,421.90 : x
  2. Step 2: Convert to fraction form
    6,117.01/9,178.56 = 2,421.90/x
  3. Step 3: Cross multiply
    6,117.01x = 9,178.56 × 2,421.90
  4. Step 4: Simplify right side
    6,117.01x = 22,229,554.46
  5. Step 5: Solve for x
    x = 22,229,554.46/6,117.01
  6. Step 6: Final answer
    x = 3,634.06

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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.