Home / 4,991.10-7,455.08-3,883.95

Finding the Fourth Proportional to 4,991.10, 7,455.08 and 3,883.95

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Solution

The fourth proportional to 4,991.10, 7,455.08 and 3,883.95 is: 5,801.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.10 : 7,455.08 = 3,883.95 : x
  2. Step 2: Convert to fraction form
    4,991.10/7,455.08 = 3,883.95/x
  3. Step 3: Cross multiply
    4,991.10x = 7,455.08 × 3,883.95
  4. Step 4: Simplify right side
    4,991.10x = 28,955,138.55
  5. Step 5: Solve for x
    x = 28,955,138.55/4,991.10
  6. Step 6: Final answer
    x = 5,801.35

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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.