Home / 4,378.31-6,553.09-3,332.67

Finding the Fourth Proportional to 4,378.31, 6,553.09 and 3,332.67

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Solution

The fourth proportional to 4,378.31, 6,553.09 and 3,332.67 is: 4,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.31 : 6,553.09 = 3,332.67 : x
  2. Step 2: Convert to fraction form
    4,378.31/6,553.09 = 3,332.67/x
  3. Step 3: Cross multiply
    4,378.31x = 6,553.09 × 3,332.67
  4. Step 4: Simplify right side
    4,378.31x = 21,839,269.79
  5. Step 5: Solve for x
    x = 21,839,269.79/4,378.31
  6. Step 6: Final answer
    x = 4,988.06

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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.