Home / 8,044.60-11,042.35-7,140.64

Finding the Fourth Proportional to 8,044.60, 11,042.35 and 7,140.64

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Solution

The fourth proportional to 8,044.60, 11,042.35 and 7,140.64 is: 9,801.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,044.60 : 11,042.35 = 7,140.64 : x
  2. Step 2: Convert to fraction form
    8,044.60/11,042.35 = 7,140.64/x
  3. Step 3: Cross multiply
    8,044.60x = 11,042.35 × 7,140.64
  4. Step 4: Simplify right side
    8,044.60x = 78,849,355.19
  5. Step 5: Solve for x
    x = 78,849,355.19/8,044.60
  6. Step 6: Final answer
    x = 9,801.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.