Home / 6,689.74-10,032.18-2,991.28

Finding the Fourth Proportional to 6,689.74, 10,032.18 and 2,991.28

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Solution

The fourth proportional to 6,689.74, 10,032.18 and 2,991.28 is: 4,485.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.74 : 10,032.18 = 2,991.28 : x
  2. Step 2: Convert to fraction form
    6,689.74/10,032.18 = 2,991.28/x
  3. Step 3: Cross multiply
    6,689.74x = 10,032.18 × 2,991.28
  4. Step 4: Simplify right side
    6,689.74x = 30,009,059.39
  5. Step 5: Solve for x
    x = 30,009,059.39/6,689.74
  6. Step 6: Final answer
    x = 4,485.83

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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.