Home / 6,742.89-9,305.51-3,758.75

Finding the Fourth Proportional to 6,742.89, 9,305.51 and 3,758.75

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Solution

The fourth proportional to 6,742.89, 9,305.51 and 3,758.75 is: 5,187.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.89 : 9,305.51 = 3,758.75 : x
  2. Step 2: Convert to fraction form
    6,742.89/9,305.51 = 3,758.75/x
  3. Step 3: Cross multiply
    6,742.89x = 9,305.51 × 3,758.75
  4. Step 4: Simplify right side
    6,742.89x = 34,977,085.71
  5. Step 5: Solve for x
    x = 34,977,085.71/6,742.89
  6. Step 6: Final answer
    x = 5,187.25

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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.