Home / 4,223.80-5,827.56-2,455.08

Finding the Fourth Proportional to 4,223.80, 5,827.56 and 2,455.08

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Solution

The fourth proportional to 4,223.80, 5,827.56 and 2,455.08 is: 3,387.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.80 : 5,827.56 = 2,455.08 : x
  2. Step 2: Convert to fraction form
    4,223.80/5,827.56 = 2,455.08/x
  3. Step 3: Cross multiply
    4,223.80x = 5,827.56 × 2,455.08
  4. Step 4: Simplify right side
    4,223.80x = 14,307,126.00
  5. Step 5: Solve for x
    x = 14,307,126.00/4,223.80
  6. Step 6: Final answer
    x = 3,387.26

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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.