Home / 7,433.76-10,254.48-5,309.28

Finding the Fourth Proportional to 7,433.76, 10,254.48 and 5,309.28

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Solution

The fourth proportional to 7,433.76, 10,254.48 and 5,309.28 is: 7,323.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.76 : 10,254.48 = 5,309.28 : x
  2. Step 2: Convert to fraction form
    7,433.76/10,254.48 = 5,309.28/x
  3. Step 3: Cross multiply
    7,433.76x = 10,254.48 × 5,309.28
  4. Step 4: Simplify right side
    7,433.76x = 54,443,905.57
  5. Step 5: Solve for x
    x = 54,443,905.57/7,433.76
  6. Step 6: Final answer
    x = 7,323.87

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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.