Home / 5,085.39-7,622.01-2,891.10

Finding the Fourth Proportional to 5,085.39, 7,622.01 and 2,891.10

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Solution

The fourth proportional to 5,085.39, 7,622.01 and 2,891.10 is: 4,333.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,085.39 : 7,622.01 = 2,891.10 : x
  2. Step 2: Convert to fraction form
    5,085.39/7,622.01 = 2,891.10/x
  3. Step 3: Cross multiply
    5,085.39x = 7,622.01 × 2,891.10
  4. Step 4: Simplify right side
    5,085.39x = 22,035,993.11
  5. Step 5: Solve for x
    x = 22,035,993.11/5,085.39
  6. Step 6: Final answer
    x = 4,333.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.