Home / 7,377.28-10,180.51-4,020.12

Finding the Fourth Proportional to 7,377.28, 10,180.51 and 4,020.12

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Solution

The fourth proportional to 7,377.28, 10,180.51 and 4,020.12 is: 5,547.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,377.28 : 10,180.51 = 4,020.12 : x
  2. Step 2: Convert to fraction form
    7,377.28/10,180.51 = 4,020.12/x
  3. Step 3: Cross multiply
    7,377.28x = 10,180.51 × 4,020.12
  4. Step 4: Simplify right side
    7,377.28x = 40,926,871.86
  5. Step 5: Solve for x
    x = 40,926,871.86/7,377.28
  6. Step 6: Final answer
    x = 5,547.69

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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.