Home / 6,506.85-9,761.55-2,123.13

Finding the Fourth Proportional to 6,506.85, 9,761.55 and 2,123.13

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Solution

The fourth proportional to 6,506.85, 9,761.55 and 2,123.13 is: 3,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,506.85 : 9,761.55 = 2,123.13 : x
  2. Step 2: Convert to fraction form
    6,506.85/9,761.55 = 2,123.13/x
  3. Step 3: Cross multiply
    6,506.85x = 9,761.55 × 2,123.13
  4. Step 4: Simplify right side
    6,506.85x = 20,725,039.65
  5. Step 5: Solve for x
    x = 20,725,039.65/6,506.85
  6. Step 6: Final answer
    x = 3,185.11

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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.