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Finding the Fourth Proportional to 5,379.29, 8,040.10 and 4,851.00

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Solution

The fourth proportional to 5,379.29, 8,040.10 and 4,851.00 is: 7,250.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.29 : 8,040.10 = 4,851.00 : x
  2. Step 2: Convert to fraction form
    5,379.29/8,040.10 = 4,851.00/x
  3. Step 3: Cross multiply
    5,379.29x = 8,040.10 × 4,851.00
  4. Step 4: Simplify right side
    5,379.29x = 39,002,460.64
  5. Step 5: Solve for x
    x = 39,002,460.64/5,379.29
  6. Step 6: Final answer
    x = 7,250.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.