Home / 8,343.45-11,515.50-5,363.01

Finding the Fourth Proportional to 8,343.45, 11,515.50 and 5,363.01

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Solution

The fourth proportional to 8,343.45, 11,515.50 and 5,363.01 is: 7,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.45 : 11,515.50 = 5,363.01 : x
  2. Step 2: Convert to fraction form
    8,343.45/11,515.50 = 5,363.01/x
  3. Step 3: Cross multiply
    8,343.45x = 11,515.50 × 5,363.01
  4. Step 4: Simplify right side
    8,343.45x = 61,757,741.66
  5. Step 5: Solve for x
    x = 61,757,741.66/8,343.45
  6. Step 6: Final answer
    x = 7,401.94

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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.