Home / 6,616.18-9,130.66-3,631.98

Finding the Fourth Proportional to 6,616.18, 9,130.66 and 3,631.98

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Solution

The fourth proportional to 6,616.18, 9,130.66 and 3,631.98 is: 5,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,616.18 : 9,130.66 = 3,631.98 : x
  2. Step 2: Convert to fraction form
    6,616.18/9,130.66 = 3,631.98/x
  3. Step 3: Cross multiply
    6,616.18x = 9,130.66 × 3,631.98
  4. Step 4: Simplify right side
    6,616.18x = 33,162,374.51
  5. Step 5: Solve for x
    x = 33,162,374.51/6,616.18
  6. Step 6: Final answer
    x = 5,012.31

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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.