Home / 5,665.65-8,501.79-2,378.46

Finding the Fourth Proportional to 5,665.65, 8,501.79 and 2,378.46

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Solution

The fourth proportional to 5,665.65, 8,501.79 and 2,378.46 is: 3,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,665.65 : 8,501.79 = 2,378.46 : x
  2. Step 2: Convert to fraction form
    5,665.65/8,501.79 = 2,378.46/x
  3. Step 3: Cross multiply
    5,665.65x = 8,501.79 × 2,378.46
  4. Step 4: Simplify right side
    5,665.65x = 20,221,167.44
  5. Step 5: Solve for x
    x = 20,221,167.44/5,665.65
  6. Step 6: Final answer
    x = 3,569.08

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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.