Home / 10,400.40-15,589.46-3,823.00

Finding the Fourth Proportional to 10,400.40, 15,589.46 and 3,823.00

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Solution

The fourth proportional to 10,400.40, 15,589.46 and 3,823.00 is: 5,730.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.40 : 15,589.46 = 3,823.00 : x
  2. Step 2: Convert to fraction form
    10,400.40/15,589.46 = 3,823.00/x
  3. Step 3: Cross multiply
    10,400.40x = 15,589.46 × 3,823.00
  4. Step 4: Simplify right side
    10,400.40x = 59,598,476.16
  5. Step 5: Solve for x
    x = 59,598,476.16/10,400.40
  6. Step 6: Final answer
    x = 5,730.40

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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.