Home / 7,376.88-10,179.96-4,019.72

Finding the Fourth Proportional to 7,376.88, 10,179.96 and 4,019.72

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Solution

The fourth proportional to 7,376.88, 10,179.96 and 4,019.72 is: 5,547.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,376.88 : 10,179.96 = 4,019.72 : x
  2. Step 2: Convert to fraction form
    7,376.88/10,179.96 = 4,019.72/x
  3. Step 3: Cross multiply
    7,376.88x = 10,179.96 × 4,019.72
  4. Step 4: Simplify right side
    7,376.88x = 40,920,624.31
  5. Step 5: Solve for x
    x = 40,920,624.31/7,376.88
  6. Step 6: Final answer
    x = 5,547.15

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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.