Home / 4,779.40-7,161.36-2,924.89

Finding the Fourth Proportional to 4,779.40, 7,161.36 and 2,924.89

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Solution

The fourth proportional to 4,779.40, 7,161.36 and 2,924.89 is: 4,382.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.40 : 7,161.36 = 2,924.89 : x
  2. Step 2: Convert to fraction form
    4,779.40/7,161.36 = 2,924.89/x
  3. Step 3: Cross multiply
    4,779.40x = 7,161.36 × 2,924.89
  4. Step 4: Simplify right side
    4,779.40x = 20,946,190.25
  5. Step 5: Solve for x
    x = 20,946,190.25/4,779.40
  6. Step 6: Final answer
    x = 4,382.60

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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.