Home / 7,647.50-10,555.29-4,504.70

Finding the Fourth Proportional to 7,647.50, 10,555.29 and 4,504.70

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Solution

The fourth proportional to 7,647.50, 10,555.29 and 4,504.70 is: 6,217.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647.50 : 10,555.29 = 4,504.70 : x
  2. Step 2: Convert to fraction form
    7,647.50/10,555.29 = 4,504.70/x
  3. Step 3: Cross multiply
    7,647.50x = 10,555.29 × 4,504.70
  4. Step 4: Simplify right side
    7,647.50x = 47,548,414.86
  5. Step 5: Solve for x
    x = 47,548,414.86/7,647.50
  6. Step 6: Final answer
    x = 6,217.51

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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.