Home / 8,013.90-11,059.50-4,429.29

Finding the Fourth Proportional to 8,013.90, 11,059.50 and 4,429.29

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Solution

The fourth proportional to 8,013.90, 11,059.50 and 4,429.29 is: 6,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,013.90 : 11,059.50 = 4,429.29 : x
  2. Step 2: Convert to fraction form
    8,013.90/11,059.50 = 4,429.29/x
  3. Step 3: Cross multiply
    8,013.90x = 11,059.50 × 4,429.29
  4. Step 4: Simplify right side
    8,013.90x = 48,985,732.76
  5. Step 5: Solve for x
    x = 48,985,732.76/8,013.90
  6. Step 6: Final answer
    x = 6,112.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.