Home / 4,108.89-6,162.64-1,147.53

Finding the Fourth Proportional to 4,108.89, 6,162.64 and 1,147.53

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Solution

The fourth proportional to 4,108.89, 6,162.64 and 1,147.53 is: 1,721.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.89 : 6,162.64 = 1,147.53 : x
  2. Step 2: Convert to fraction form
    4,108.89/6,162.64 = 1,147.53/x
  3. Step 3: Cross multiply
    4,108.89x = 6,162.64 × 1,147.53
  4. Step 4: Simplify right side
    4,108.89x = 7,071,814.28
  5. Step 5: Solve for x
    x = 7,071,814.28/4,108.89
  6. Step 6: Final answer
    x = 1,721.10

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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.