Home / 4,209.59-5,808.93-2,321.21

Finding the Fourth Proportional to 4,209.59, 5,808.93 and 2,321.21

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Solution

The fourth proportional to 4,209.59, 5,808.93 and 2,321.21 is: 3,203.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.59 : 5,808.93 = 2,321.21 : x
  2. Step 2: Convert to fraction form
    4,209.59/5,808.93 = 2,321.21/x
  3. Step 3: Cross multiply
    4,209.59x = 5,808.93 × 2,321.21
  4. Step 4: Simplify right side
    4,209.59x = 13,483,752.22
  5. Step 5: Solve for x
    x = 13,483,752.22/4,209.59
  6. Step 6: Final answer
    x = 3,203.10

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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.