Home / 5,427.53-8,142.38-2,307.51

Finding the Fourth Proportional to 5,427.53, 8,142.38 and 2,307.51

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Solution

The fourth proportional to 5,427.53, 8,142.38 and 2,307.51 is: 3,461.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.53 : 8,142.38 = 2,307.51 : x
  2. Step 2: Convert to fraction form
    5,427.53/8,142.38 = 2,307.51/x
  3. Step 3: Cross multiply
    5,427.53x = 8,142.38 × 2,307.51
  4. Step 4: Simplify right side
    5,427.53x = 18,788,623.27
  5. Step 5: Solve for x
    x = 18,788,623.27/5,427.53
  6. Step 6: Final answer
    x = 3,461.73

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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.