Home / 6,127.40-9,191.08-2,430.48

Finding the Fourth Proportional to 6,127.40, 9,191.08 and 2,430.48

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Solution

The fourth proportional to 6,127.40, 9,191.08 and 2,430.48 is: 3,645.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,127.40 : 9,191.08 = 2,430.48 : x
  2. Step 2: Convert to fraction form
    6,127.40/9,191.08 = 2,430.48/x
  3. Step 3: Cross multiply
    6,127.40x = 9,191.08 × 2,430.48
  4. Step 4: Simplify right side
    6,127.40x = 22,338,736.12
  5. Step 5: Solve for x
    x = 22,338,736.12/6,127.40
  6. Step 6: Final answer
    x = 3,645.71

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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.