Home / 8,959.24-13,435.67-3,411.11

Finding the Fourth Proportional to 8,959.24, 13,435.67 and 3,411.11

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Solution

The fourth proportional to 8,959.24, 13,435.67 and 3,411.11 is: 5,115.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959.24 : 13,435.67 = 3,411.11 : x
  2. Step 2: Convert to fraction form
    8,959.24/13,435.67 = 3,411.11/x
  3. Step 3: Cross multiply
    8,959.24x = 13,435.67 × 3,411.11
  4. Step 4: Simplify right side
    8,959.24x = 45,830,590.41
  5. Step 5: Solve for x
    x = 45,830,590.41/8,959.24
  6. Step 6: Final answer
    x = 5,115.45

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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.