Home / 6,888.72-9,506.24-3,904.84

Finding the Fourth Proportional to 6,888.72, 9,506.24 and 3,904.84

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Solution

The fourth proportional to 6,888.72, 9,506.24 and 3,904.84 is: 5,388.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.72 : 9,506.24 = 3,904.84 : x
  2. Step 2: Convert to fraction form
    6,888.72/9,506.24 = 3,904.84/x
  3. Step 3: Cross multiply
    6,888.72x = 9,506.24 × 3,904.84
  4. Step 4: Simplify right side
    6,888.72x = 37,120,346.20
  5. Step 5: Solve for x
    x = 37,120,346.20/6,888.72
  6. Step 6: Final answer
    x = 5,388.57

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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.