Home / 5,343.86-8,013.75-2,137.19

Finding the Fourth Proportional to 5,343.86, 8,013.75 and 2,137.19

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Solution

The fourth proportional to 5,343.86, 8,013.75 and 2,137.19 is: 3,204.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343.86 : 8,013.75 = 2,137.19 : x
  2. Step 2: Convert to fraction form
    5,343.86/8,013.75 = 2,137.19/x
  3. Step 3: Cross multiply
    5,343.86x = 8,013.75 × 2,137.19
  4. Step 4: Simplify right side
    5,343.86x = 17,126,866.29
  5. Step 5: Solve for x
    x = 17,126,866.29/5,343.86
  6. Step 6: Final answer
    x = 3,204.96

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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.