Home / 7,282.28-10,945.29-6,407.48

Finding the Fourth Proportional to 7,282.28, 10,945.29 and 6,407.48

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Solution

The fourth proportional to 7,282.28, 10,945.29 and 6,407.48 is: 9,630.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,282.28 : 10,945.29 = 6,407.48 : x
  2. Step 2: Convert to fraction form
    7,282.28/10,945.29 = 6,407.48/x
  3. Step 3: Cross multiply
    7,282.28x = 10,945.29 × 6,407.48
  4. Step 4: Simplify right side
    7,282.28x = 70,131,726.77
  5. Step 5: Solve for x
    x = 70,131,726.77/7,282.28
  6. Step 6: Final answer
    x = 9,630.46

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1.5x scale

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.