Home / 4,895.65-7,350.76-1,979.65

Finding the Fourth Proportional to 4,895.65, 7,350.76 and 1,979.65

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Solution

The fourth proportional to 4,895.65, 7,350.76 and 1,979.65 is: 2,972.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,895.65 : 7,350.76 = 1,979.65 : x
  2. Step 2: Convert to fraction form
    4,895.65/7,350.76 = 1,979.65/x
  3. Step 3: Cross multiply
    4,895.65x = 7,350.76 × 1,979.65
  4. Step 4: Simplify right side
    4,895.65x = 14,551,895.28
  5. Step 5: Solve for x
    x = 14,551,895.28/4,895.65
  6. Step 6: Final answer
    x = 2,972.42

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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.