Home / 5,223.61-7,208.56-2,865.70

Finding the Fourth Proportional to 5,223.61, 7,208.56 and 2,865.70

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Solution

The fourth proportional to 5,223.61, 7,208.56 and 2,865.70 is: 3,954.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,223.61 : 7,208.56 = 2,865.70 : x
  2. Step 2: Convert to fraction form
    5,223.61/7,208.56 = 2,865.70/x
  3. Step 3: Cross multiply
    5,223.61x = 7,208.56 × 2,865.70
  4. Step 4: Simplify right side
    5,223.61x = 20,657,582.98
  5. Step 5: Solve for x
    x = 20,657,582.98/5,223.61
  6. Step 6: Final answer
    x = 3,954.66

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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.