Home / 9,292.80-12,802.56-6,493.44

Finding the Fourth Proportional to 9,292.80, 12,802.56 and 6,493.44

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Solution

The fourth proportional to 9,292.80, 12,802.56 and 6,493.44 is: 8,945.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.80 : 12,802.56 = 6,493.44 : x
  2. Step 2: Convert to fraction form
    9,292.80/12,802.56 = 6,493.44/x
  3. Step 3: Cross multiply
    9,292.80x = 12,802.56 × 6,493.44
  4. Step 4: Simplify right side
    9,292.80x = 83,132,655.21
  5. Step 5: Solve for x
    x = 83,132,655.21/9,292.80
  6. Step 6: Final answer
    x = 8,945.92

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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.