Home / 6,888.11-9,506.12-3,904.47

Finding the Fourth Proportional to 6,888.11, 9,506.12 and 3,904.47

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Solution

The fourth proportional to 6,888.11, 9,506.12 and 3,904.47 is: 5,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.11 : 9,506.12 = 3,904.47 : x
  2. Step 2: Convert to fraction form
    6,888.11/9,506.12 = 3,904.47/x
  3. Step 3: Cross multiply
    6,888.11x = 9,506.12 × 3,904.47
  4. Step 4: Simplify right side
    6,888.11x = 37,116,340.83
  5. Step 5: Solve for x
    x = 37,116,340.83/6,888.11
  6. Step 6: Final answer
    x = 5,388.47

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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.