Home / 4,402.50-6,603.78-1,324.50

Finding the Fourth Proportional to 4,402.50, 6,603.78 and 1,324.50

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Solution

The fourth proportional to 4,402.50, 6,603.78 and 1,324.50 is: 1,986.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,402.50 : 6,603.78 = 1,324.50 : x
  2. Step 2: Convert to fraction form
    4,402.50/6,603.78 = 1,324.50/x
  3. Step 3: Cross multiply
    4,402.50x = 6,603.78 × 1,324.50
  4. Step 4: Simplify right side
    4,402.50x = 8,746,706.61
  5. Step 5: Solve for x
    x = 8,746,706.61/4,402.50
  6. Step 6: Final answer
    x = 1,986.76

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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.