Home / 5,224.39-7,209.21-2,985.82

Finding the Fourth Proportional to 5,224.39, 7,209.21 and 2,985.82

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Solution

The fourth proportional to 5,224.39, 7,209.21 and 2,985.82 is: 4,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,224.39 : 7,209.21 = 2,985.82 : x
  2. Step 2: Convert to fraction form
    5,224.39/7,209.21 = 2,985.82/x
  3. Step 3: Cross multiply
    5,224.39x = 7,209.21 × 2,985.82
  4. Step 4: Simplify right side
    5,224.39x = 21,525,403.40
  5. Step 5: Solve for x
    x = 21,525,403.40/5,224.39
  6. Step 6: Final answer
    x = 4,120.18

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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.