Home / 5,347.17-8,021.90-2,715.02

Finding the Fourth Proportional to 5,347.17, 8,021.90 and 2,715.02

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Solution

The fourth proportional to 5,347.17, 8,021.90 and 2,715.02 is: 4,073.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.17 : 8,021.90 = 2,715.02 : x
  2. Step 2: Convert to fraction form
    5,347.17/8,021.90 = 2,715.02/x
  3. Step 3: Cross multiply
    5,347.17x = 8,021.90 × 2,715.02
  4. Step 4: Simplify right side
    5,347.17x = 21,779,618.94
  5. Step 5: Solve for x
    x = 21,779,618.94/5,347.17
  6. Step 6: Final answer
    x = 4,073.11

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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.