Home / 4,345.85-6,520.60-4,001.20

Finding the Fourth Proportional to 4,345.85, 6,520.60 and 4,001.20

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Solution

The fourth proportional to 4,345.85, 6,520.60 and 4,001.20 is: 6,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,345.85 : 6,520.60 = 4,001.20 : x
  2. Step 2: Convert to fraction form
    4,345.85/6,520.60 = 4,001.20/x
  3. Step 3: Cross multiply
    4,345.85x = 6,520.60 × 4,001.20
  4. Step 4: Simplify right side
    4,345.85x = 26,090,213.42
  5. Step 5: Solve for x
    x = 26,090,213.42/4,345.85
  6. Step 6: Final answer
    x = 6,003.47

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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.