Home / 4,220.71-5,826.40-3,955.06

Finding the Fourth Proportional to 4,220.71, 5,826.40 and 3,955.06

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Solution

The fourth proportional to 4,220.71, 5,826.40 and 3,955.06 is: 5,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.71 : 5,826.40 = 3,955.06 : x
  2. Step 2: Convert to fraction form
    4,220.71/5,826.40 = 3,955.06/x
  3. Step 3: Cross multiply
    4,220.71x = 5,826.40 × 3,955.06
  4. Step 4: Simplify right side
    4,220.71x = 23,043,761.58
  5. Step 5: Solve for x
    x = 23,043,761.58/4,220.71
  6. Step 6: Final answer
    x = 5,459.69

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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.