Home / 6,581.20-9,871.92-1,901.56

Finding the Fourth Proportional to 6,581.20, 9,871.92 and 1,901.56

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Solution

The fourth proportional to 6,581.20, 9,871.92 and 1,901.56 is: 2,852.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,581.20 : 9,871.92 = 1,901.56 : x
  2. Step 2: Convert to fraction form
    6,581.20/9,871.92 = 1,901.56/x
  3. Step 3: Cross multiply
    6,581.20x = 9,871.92 × 1,901.56
  4. Step 4: Simplify right side
    6,581.20x = 18,772,048.20
  5. Step 5: Solve for x
    x = 18,772,048.20/6,581.20
  6. Step 6: Final answer
    x = 2,852.37

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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.