Home / 6,656.78-9,186.29-3,672.63

Finding the Fourth Proportional to 6,656.78, 9,186.29 and 3,672.63

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Solution

The fourth proportional to 6,656.78, 9,186.29 and 3,672.63 is: 5,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,656.78 : 9,186.29 = 3,672.63 : x
  2. Step 2: Convert to fraction form
    6,656.78/9,186.29 = 3,672.63/x
  3. Step 3: Cross multiply
    6,656.78x = 9,186.29 × 3,672.63
  4. Step 4: Simplify right side
    6,656.78x = 33,737,848.85
  5. Step 5: Solve for x
    x = 33,737,848.85/6,656.78
  6. Step 6: Final answer
    x = 5,068.20

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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.