Home / 6,552.18-9,040.61-3,899.07

Finding the Fourth Proportional to 6,552.18, 9,040.61 and 3,899.07

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Solution

The fourth proportional to 6,552.18, 9,040.61 and 3,899.07 is: 5,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,552.18 : 9,040.61 = 3,899.07 : x
  2. Step 2: Convert to fraction form
    6,552.18/9,040.61 = 3,899.07/x
  3. Step 3: Cross multiply
    6,552.18x = 9,040.61 × 3,899.07
  4. Step 4: Simplify right side
    6,552.18x = 35,249,980.98
  5. Step 5: Solve for x
    x = 35,249,980.98/6,552.18
  6. Step 6: Final answer
    x = 5,379.89

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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.