Home / 6,888.90-9,506.60-3,745.08

Finding the Fourth Proportional to 6,888.90, 9,506.60 and 3,745.08

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Solution

The fourth proportional to 6,888.90, 9,506.60 and 3,745.08 is: 5,168.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.90 : 9,506.60 = 3,745.08 : x
  2. Step 2: Convert to fraction form
    6,888.90/9,506.60 = 3,745.08/x
  3. Step 3: Cross multiply
    6,888.90x = 9,506.60 × 3,745.08
  4. Step 4: Simplify right side
    6,888.90x = 35,602,958.80
  5. Step 5: Solve for x
    x = 35,602,958.80/6,888.90
  6. Step 6: Final answer
    x = 5,168.16

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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.