Home / 5,427.89-8,143.02-2,307.98

Finding the Fourth Proportional to 5,427.89, 8,143.02 and 2,307.98

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Solution

The fourth proportional to 5,427.89, 8,143.02 and 2,307.98 is: 3,462.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.89 : 8,143.02 = 2,307.98 : x
  2. Step 2: Convert to fraction form
    5,427.89/8,143.02 = 2,307.98/x
  3. Step 3: Cross multiply
    5,427.89x = 8,143.02 × 2,307.98
  4. Step 4: Simplify right side
    5,427.89x = 18,793,927.30
  5. Step 5: Solve for x
    x = 18,793,927.30/5,427.89
  6. Step 6: Final answer
    x = 3,462.47

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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.