Home / 6,803.80-9,390.27-4,152.75

Finding the Fourth Proportional to 6,803.80, 9,390.27 and 4,152.75

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Solution

The fourth proportional to 6,803.80, 9,390.27 and 4,152.75 is: 5,731.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,803.80 : 9,390.27 = 4,152.75 : x
  2. Step 2: Convert to fraction form
    6,803.80/9,390.27 = 4,152.75/x
  3. Step 3: Cross multiply
    6,803.80x = 9,390.27 × 4,152.75
  4. Step 4: Simplify right side
    6,803.80x = 38,995,443.74
  5. Step 5: Solve for x
    x = 38,995,443.74/6,803.80
  6. Step 6: Final answer
    x = 5,731.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.