Home / 10,779.28-16,174.35-4,937.26

Finding the Fourth Proportional to 10,779.28, 16,174.35 and 4,937.26

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Solution

The fourth proportional to 10,779.28, 16,174.35 and 4,937.26 is: 7,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,779.28 : 16,174.35 = 4,937.26 : x
  2. Step 2: Convert to fraction form
    10,779.28/16,174.35 = 4,937.26/x
  3. Step 3: Cross multiply
    10,779.28x = 16,174.35 × 4,937.26
  4. Step 4: Simplify right side
    10,779.28x = 79,856,971.28
  5. Step 5: Solve for x
    x = 79,856,971.28/10,779.28
  6. Step 6: Final answer
    x = 7,408.38

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1.5x scale

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.