Home / 4,117.95-6,172.49-1,779.05

Finding the Fourth Proportional to 4,117.95, 6,172.49 and 1,779.05

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Solution

The fourth proportional to 4,117.95, 6,172.49 and 1,779.05 is: 2,666.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,117.95 : 6,172.49 = 1,779.05 : x
  2. Step 2: Convert to fraction form
    4,117.95/6,172.49 = 1,779.05/x
  3. Step 3: Cross multiply
    4,117.95x = 6,172.49 × 1,779.05
  4. Step 4: Simplify right side
    4,117.95x = 10,981,188.21
  5. Step 5: Solve for x
    x = 10,981,188.21/4,117.95
  6. Step 6: Final answer
    x = 2,666.66

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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.