Home / 10,110.29-15,159.45-3,870.75

Finding the Fourth Proportional to 10,110.29, 15,159.45 and 3,870.75

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Solution

The fourth proportional to 10,110.29, 15,159.45 and 3,870.75 is: 5,803.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.29 : 15,159.45 = 3,870.75 : x
  2. Step 2: Convert to fraction form
    10,110.29/15,159.45 = 3,870.75/x
  3. Step 3: Cross multiply
    10,110.29x = 15,159.45 × 3,870.75
  4. Step 4: Simplify right side
    10,110.29x = 58,678,512.45
  5. Step 5: Solve for x
    x = 58,678,512.45/10,110.29
  6. Step 6: Final answer
    x = 5,803.84

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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.