Home / 4,218.50-5,822.40-2,802.26

Finding the Fourth Proportional to 4,218.50, 5,822.40 and 2,802.26

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Solution

The fourth proportional to 4,218.50, 5,822.40 and 2,802.26 is: 3,867.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,218.50 : 5,822.40 = 2,802.26 : x
  2. Step 2: Convert to fraction form
    4,218.50/5,822.40 = 2,802.26/x
  3. Step 3: Cross multiply
    4,218.50x = 5,822.40 × 2,802.26
  4. Step 4: Simplify right side
    4,218.50x = 16,315,878.62
  5. Step 5: Solve for x
    x = 16,315,878.62/4,218.50
  6. Step 6: Final answer
    x = 3,867.70

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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.