Home / 4,517.60-6,779.73-2,145.69

Finding the Fourth Proportional to 4,517.60, 6,779.73 and 2,145.69

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Solution

The fourth proportional to 4,517.60, 6,779.73 and 2,145.69 is: 3,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.60 : 6,779.73 = 2,145.69 : x
  2. Step 2: Convert to fraction form
    4,517.60/6,779.73 = 2,145.69/x
  3. Step 3: Cross multiply
    4,517.60x = 6,779.73 × 2,145.69
  4. Step 4: Simplify right side
    4,517.60x = 14,547,204.23
  5. Step 5: Solve for x
    x = 14,547,204.23/4,517.60
  6. Step 6: Final answer
    x = 3,220.12

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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.