Home / 6,660.76-9,991.18-1,730.46

Finding the Fourth Proportional to 6,660.76, 9,991.18 and 1,730.46

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Solution

The fourth proportional to 6,660.76, 9,991.18 and 1,730.46 is: 2,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.76 : 9,991.18 = 1,730.46 : x
  2. Step 2: Convert to fraction form
    6,660.76/9,991.18 = 1,730.46/x
  3. Step 3: Cross multiply
    6,660.76x = 9,991.18 × 1,730.46
  4. Step 4: Simplify right side
    6,660.76x = 17,289,337.34
  5. Step 5: Solve for x
    x = 17,289,337.34/6,660.76
  6. Step 6: Final answer
    x = 2,595.70

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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.