Home / 6,656.85-9,186.90-3,862.35

Finding the Fourth Proportional to 6,656.85, 9,186.90 and 3,862.35

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Solution

The fourth proportional to 6,656.85, 9,186.90 and 3,862.35 is: 5,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.85 : 9,186.90 = 3,862.35 : x
  2. Step 2: Convert to fraction form
    6,656.85/9,186.90 = 3,862.35/x
  3. Step 3: Cross multiply
    6,656.85x = 9,186.90 × 3,862.35
  4. Step 4: Simplify right side
    6,656.85x = 35,483,023.22
  5. Step 5: Solve for x
    x = 35,483,023.22/6,656.85
  6. Step 6: Final answer
    x = 5,330.30

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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.