Home / 7,099.80-10,648.77-2,169.93

Finding the Fourth Proportional to 7,099.80, 10,648.77 and 2,169.93

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Solution

The fourth proportional to 7,099.80, 10,648.77 and 2,169.93 is: 3,254.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.80 : 10,648.77 = 2,169.93 : x
  2. Step 2: Convert to fraction form
    7,099.80/10,648.77 = 2,169.93/x
  3. Step 3: Cross multiply
    7,099.80x = 10,648.77 × 2,169.93
  4. Step 4: Simplify right side
    7,099.80x = 23,107,085.49
  5. Step 5: Solve for x
    x = 23,107,085.49/7,099.80
  6. Step 6: Final answer
    x = 3,254.61

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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.