Home / 4,870.80-6,723.08-2,882.05

Finding the Fourth Proportional to 4,870.80, 6,723.08 and 2,882.05

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Solution

The fourth proportional to 4,870.80, 6,723.08 and 2,882.05 is: 3,978.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,870.80 : 6,723.08 = 2,882.05 : x
  2. Step 2: Convert to fraction form
    4,870.80/6,723.08 = 2,882.05/x
  3. Step 3: Cross multiply
    4,870.80x = 6,723.08 × 2,882.05
  4. Step 4: Simplify right side
    4,870.80x = 19,376,252.71
  5. Step 5: Solve for x
    x = 19,376,252.71/4,870.80
  6. Step 6: Final answer
    x = 3,978.04

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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.