Home / 7,419.50-11,131.58-4,461.18

Finding the Fourth Proportional to 7,419.50, 11,131.58 and 4,461.18

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Solution

The fourth proportional to 7,419.50, 11,131.58 and 4,461.18 is: 6,693.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.50 : 11,131.58 = 4,461.18 : x
  2. Step 2: Convert to fraction form
    7,419.50/11,131.58 = 4,461.18/x
  3. Step 3: Cross multiply
    7,419.50x = 11,131.58 × 4,461.18
  4. Step 4: Simplify right side
    7,419.50x = 49,659,926.38
  5. Step 5: Solve for x
    x = 49,659,926.38/7,419.50
  6. Step 6: Final answer
    x = 6,693.16

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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.