Home / 7,377.12-10,180.30-4,019.96

Finding the Fourth Proportional to 7,377.12, 10,180.30 and 4,019.96

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Solution

The fourth proportional to 7,377.12, 10,180.30 and 4,019.96 is: 5,547.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.12 : 10,180.30 = 4,019.96 : x
  2. Step 2: Convert to fraction form
    7,377.12/10,180.30 = 4,019.96/x
  3. Step 3: Cross multiply
    7,377.12x = 10,180.30 × 4,019.96
  4. Step 4: Simplify right side
    7,377.12x = 40,924,404.77
  5. Step 5: Solve for x
    x = 40,924,404.77/7,377.12
  6. Step 6: Final answer
    x = 5,547.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.