Home / 6,722.22-9,277.29-4,070.28

Finding the Fourth Proportional to 6,722.22, 9,277.29 and 4,070.28

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Solution

The fourth proportional to 6,722.22, 9,277.29 and 4,070.28 is: 5,617.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.22 : 9,277.29 = 4,070.28 : x
  2. Step 2: Convert to fraction form
    6,722.22/9,277.29 = 4,070.28/x
  3. Step 3: Cross multiply
    6,722.22x = 9,277.29 × 4,070.28
  4. Step 4: Simplify right side
    6,722.22x = 37,761,167.94
  5. Step 5: Solve for x
    x = 37,761,167.94/6,722.22
  6. Step 6: Final answer
    x = 5,617.37

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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.