Home / 4,478.18-6,720.23-2,999.04

Finding the Fourth Proportional to 4,478.18, 6,720.23 and 2,999.04

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Solution

The fourth proportional to 4,478.18, 6,720.23 and 2,999.04 is: 4,500.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.18 : 6,720.23 = 2,999.04 : x
  2. Step 2: Convert to fraction form
    4,478.18/6,720.23 = 2,999.04/x
  3. Step 3: Cross multiply
    4,478.18x = 6,720.23 × 2,999.04
  4. Step 4: Simplify right side
    4,478.18x = 20,154,223.58
  5. Step 5: Solve for x
    x = 20,154,223.58/4,478.18
  6. Step 6: Final answer
    x = 4,500.54

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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.