Home / 5,870.17-8,805.51-1,921.65

Finding the Fourth Proportional to 5,870.17, 8,805.51 and 1,921.65

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Solution

The fourth proportional to 5,870.17, 8,805.51 and 1,921.65 is: 2,882.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.17 : 8,805.51 = 1,921.65 : x
  2. Step 2: Convert to fraction form
    5,870.17/8,805.51 = 1,921.65/x
  3. Step 3: Cross multiply
    5,870.17x = 8,805.51 × 1,921.65
  4. Step 4: Simplify right side
    5,870.17x = 16,921,108.29
  5. Step 5: Solve for x
    x = 16,921,108.29/5,870.17
  6. Step 6: Final answer
    x = 2,882.56

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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.