Home / 5,223.16-7,208.42-2,865.76

Finding the Fourth Proportional to 5,223.16, 7,208.42 and 2,865.76

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Solution

The fourth proportional to 5,223.16, 7,208.42 and 2,865.76 is: 3,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.16 : 7,208.42 = 2,865.76 : x
  2. Step 2: Convert to fraction form
    5,223.16/7,208.42 = 2,865.76/x
  3. Step 3: Cross multiply
    5,223.16x = 7,208.42 × 2,865.76
  4. Step 4: Simplify right side
    5,223.16x = 20,657,601.70
  5. Step 5: Solve for x
    x = 20,657,601.70/5,223.16
  6. Step 6: Final answer
    x = 3,955.00

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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.