Home / 6,852.40-9,456.20-3,708.56

Finding the Fourth Proportional to 6,852.40, 9,456.20 and 3,708.56

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Solution

The fourth proportional to 6,852.40, 9,456.20 and 3,708.56 is: 5,117.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852.40 : 9,456.20 = 3,708.56 : x
  2. Step 2: Convert to fraction form
    6,852.40/9,456.20 = 3,708.56/x
  3. Step 3: Cross multiply
    6,852.40x = 9,456.20 × 3,708.56
  4. Step 4: Simplify right side
    6,852.40x = 35,068,885.07
  5. Step 5: Solve for x
    x = 35,068,885.07/6,852.40
  6. Step 6: Final answer
    x = 5,117.75

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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.