Home / 10,440.48-14,407.92-5,660.46

Finding the Fourth Proportional to 10,440.48, 14,407.92 and 5,660.46

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Solution

The fourth proportional to 10,440.48, 14,407.92 and 5,660.46 is: 7,811.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.48 : 14,407.92 = 5,660.46 : x
  2. Step 2: Convert to fraction form
    10,440.48/14,407.92 = 5,660.46/x
  3. Step 3: Cross multiply
    10,440.48x = 14,407.92 × 5,660.46
  4. Step 4: Simplify right side
    10,440.48x = 81,555,454.84
  5. Step 5: Solve for x
    x = 81,555,454.84/10,440.48
  6. Step 6: Final answer
    x = 7,811.47

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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.