Home / 6,638.36-9,957.20-1,708.28

Finding the Fourth Proportional to 6,638.36, 9,957.20 and 1,708.28

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Solution

The fourth proportional to 6,638.36, 9,957.20 and 1,708.28 is: 2,562.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,638.36 : 9,957.20 = 1,708.28 : x
  2. Step 2: Convert to fraction form
    6,638.36/9,957.20 = 1,708.28/x
  3. Step 3: Cross multiply
    6,638.36x = 9,957.20 × 1,708.28
  4. Step 4: Simplify right side
    6,638.36x = 17,009,627.29
  5. Step 5: Solve for x
    x = 17,009,627.29/6,638.36
  6. Step 6: Final answer
    x = 2,562.33

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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.