Home / 4,886.20-7,323.29-2,779.59

Finding the Fourth Proportional to 4,886.20, 7,323.29 and 2,779.59

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Solution

The fourth proportional to 4,886.20, 7,323.29 and 2,779.59 is: 4,165.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.20 : 7,323.29 = 2,779.59 : x
  2. Step 2: Convert to fraction form
    4,886.20/7,323.29 = 2,779.59/x
  3. Step 3: Cross multiply
    4,886.20x = 7,323.29 × 2,779.59
  4. Step 4: Simplify right side
    4,886.20x = 20,355,729.75
  5. Step 5: Solve for x
    x = 20,355,729.75/4,886.20
  6. Step 6: Final answer
    x = 4,165.96

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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.