Home / 6,985.56-10,466.04-3,691.38

Finding the Fourth Proportional to 6,985.56, 10,466.04 and 3,691.38

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Solution

The fourth proportional to 6,985.56, 10,466.04 and 3,691.38 is: 5,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,985.56 : 10,466.04 = 3,691.38 : x
  2. Step 2: Convert to fraction form
    6,985.56/10,466.04 = 3,691.38/x
  3. Step 3: Cross multiply
    6,985.56x = 10,466.04 × 3,691.38
  4. Step 4: Simplify right side
    6,985.56x = 38,634,130.74
  5. Step 5: Solve for x
    x = 38,634,130.74/6,985.56
  6. Step 6: Final answer
    x = 5,530.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.