Home / 7,453.76-10,287.20-4,309.34

Finding the Fourth Proportional to 7,453.76, 10,287.20 and 4,309.34

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Solution

The fourth proportional to 7,453.76, 10,287.20 and 4,309.34 is: 5,947.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,453.76 : 10,287.20 = 4,309.34 : x
  2. Step 2: Convert to fraction form
    7,453.76/10,287.20 = 4,309.34/x
  3. Step 3: Cross multiply
    7,453.76x = 10,287.20 × 4,309.34
  4. Step 4: Simplify right side
    7,453.76x = 44,331,001.79
  5. Step 5: Solve for x
    x = 44,331,001.79/7,453.76
  6. Step 6: Final answer
    x = 5,947.47

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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.