Home / 6,765.81-9,337.01-3,781.98

Finding the Fourth Proportional to 6,765.81, 9,337.01 and 3,781.98

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Solution

The fourth proportional to 6,765.81, 9,337.01 and 3,781.98 is: 5,219.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.81 : 9,337.01 = 3,781.98 : x
  2. Step 2: Convert to fraction form
    6,765.81/9,337.01 = 3,781.98/x
  3. Step 3: Cross multiply
    6,765.81x = 9,337.01 × 3,781.98
  4. Step 4: Simplify right side
    6,765.81x = 35,312,385.08
  5. Step 5: Solve for x
    x = 35,312,385.08/6,765.81
  6. Step 6: Final answer
    x = 5,219.24

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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.