Home / 7,250.72-10,861.44-4,779.44

Finding the Fourth Proportional to 7,250.72, 10,861.44 and 4,779.44

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Solution

The fourth proportional to 7,250.72, 10,861.44 and 4,779.44 is: 7,159.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.72 : 10,861.44 = 4,779.44 : x
  2. Step 2: Convert to fraction form
    7,250.72/10,861.44 = 4,779.44/x
  3. Step 3: Cross multiply
    7,250.72x = 10,861.44 × 4,779.44
  4. Step 4: Simplify right side
    7,250.72x = 51,911,600.79
  5. Step 5: Solve for x
    x = 51,911,600.79/7,250.72
  6. Step 6: Final answer
    x = 7,159.51

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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.