Home / 7,623.83-10,520.99-4,266.78

Finding the Fourth Proportional to 7,623.83, 10,520.99 and 4,266.78

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Solution

The fourth proportional to 7,623.83, 10,520.99 and 4,266.78 is: 5,888.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.83 : 10,520.99 = 4,266.78 : x
  2. Step 2: Convert to fraction form
    7,623.83/10,520.99 = 4,266.78/x
  3. Step 3: Cross multiply
    7,623.83x = 10,520.99 × 4,266.78
  4. Step 4: Simplify right side
    7,623.83x = 44,890,728.38
  5. Step 5: Solve for x
    x = 44,890,728.38/7,623.83
  6. Step 6: Final answer
    x = 5,888.22

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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.