Home / 5,918.15-8,166.81-3,265.53

Finding the Fourth Proportional to 5,918.15, 8,166.81 and 3,265.53

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Solution

The fourth proportional to 5,918.15, 8,166.81 and 3,265.53 is: 4,506.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.15 : 8,166.81 = 3,265.53 : x
  2. Step 2: Convert to fraction form
    5,918.15/8,166.81 = 3,265.53/x
  3. Step 3: Cross multiply
    5,918.15x = 8,166.81 × 3,265.53
  4. Step 4: Simplify right side
    5,918.15x = 26,668,963.06
  5. Step 5: Solve for x
    x = 26,668,963.06/5,918.15
  6. Step 6: Final answer
    x = 4,506.30

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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.