Home / 6,722.51-9,277.89-4,070.84

Finding the Fourth Proportional to 6,722.51, 9,277.89 and 4,070.84

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Solution

The fourth proportional to 6,722.51, 9,277.89 and 4,070.84 is: 5,618.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,722.51 : 9,277.89 = 4,070.84 : x
  2. Step 2: Convert to fraction form
    6,722.51/9,277.89 = 4,070.84/x
  3. Step 3: Cross multiply
    6,722.51x = 9,277.89 × 4,070.84
  4. Step 4: Simplify right side
    6,722.51x = 37,768,805.73
  5. Step 5: Solve for x
    x = 37,768,805.73/6,722.51
  6. Step 6: Final answer
    x = 5,618.26

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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.