Home / 5,203.68-7,808.61-2,085.18

Finding the Fourth Proportional to 5,203.68, 7,808.61 and 2,085.18

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Solution

The fourth proportional to 5,203.68, 7,808.61 and 2,085.18 is: 3,129.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.68 : 7,808.61 = 2,085.18 : x
  2. Step 2: Convert to fraction form
    5,203.68/7,808.61 = 2,085.18/x
  3. Step 3: Cross multiply
    5,203.68x = 7,808.61 × 2,085.18
  4. Step 4: Simplify right side
    5,203.68x = 16,282,357.40
  5. Step 5: Solve for x
    x = 16,282,357.40/5,203.68
  6. Step 6: Final answer
    x = 3,129.01

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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.