Home / 6,316.68-8,720.55-4,434.04

Finding the Fourth Proportional to 6,316.68, 8,720.55 and 4,434.04

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Solution

The fourth proportional to 6,316.68, 8,720.55 and 4,434.04 is: 6,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.68 : 8,720.55 = 4,434.04 : x
  2. Step 2: Convert to fraction form
    6,316.68/8,720.55 = 4,434.04/x
  3. Step 3: Cross multiply
    6,316.68x = 8,720.55 × 4,434.04
  4. Step 4: Simplify right side
    6,316.68x = 38,667,201.75
  5. Step 5: Solve for x
    x = 38,667,201.75/6,316.68
  6. Step 6: Final answer
    x = 6,121.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.