Home / 6,503.80-9,752.38-2,118.44

Finding the Fourth Proportional to 6,503.80, 9,752.38 and 2,118.44

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Solution

The fourth proportional to 6,503.80, 9,752.38 and 2,118.44 is: 3,176.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,503.80 : 9,752.38 = 2,118.44 : x
  2. Step 2: Convert to fraction form
    6,503.80/9,752.38 = 2,118.44/x
  3. Step 3: Cross multiply
    6,503.80x = 9,752.38 × 2,118.44
  4. Step 4: Simplify right side
    6,503.80x = 20,659,831.89
  5. Step 5: Solve for x
    x = 20,659,831.89/6,503.80
  6. Step 6: Final answer
    x = 3,176.58

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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.