Home / 6,510.42-9,763.38-2,127.06

Finding the Fourth Proportional to 6,510.42, 9,763.38 and 2,127.06

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Solution

The fourth proportional to 6,510.42, 9,763.38 and 2,127.06 is: 3,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,510.42 : 9,763.38 = 2,127.06 : x
  2. Step 2: Convert to fraction form
    6,510.42/9,763.38 = 2,127.06/x
  3. Step 3: Cross multiply
    6,510.42x = 9,763.38 × 2,127.06
  4. Step 4: Simplify right side
    6,510.42x = 20,767,295.06
  5. Step 5: Solve for x
    x = 20,767,295.06/6,510.42
  6. Step 6: Final answer
    x = 3,189.85

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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.