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Finding the Fourth Proportional to 4,986.16, 7,452.20 and 4,592.09

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Solution

The fourth proportional to 4,986.16, 7,452.20 and 4,592.09 is: 6,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,986.16 : 7,452.20 = 4,592.09 : x
  2. Step 2: Convert to fraction form
    4,986.16/7,452.20 = 4,592.09/x
  3. Step 3: Cross multiply
    4,986.16x = 7,452.20 × 4,592.09
  4. Step 4: Simplify right side
    4,986.16x = 34,221,203.21
  5. Step 5: Solve for x
    x = 34,221,203.21/4,986.16
  6. Step 6: Final answer
    x = 6,863.24

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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.