Home / 7,045.09-9,722.51-3,901.28

Finding the Fourth Proportional to 7,045.09, 9,722.51 and 3,901.28

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Solution

The fourth proportional to 7,045.09, 9,722.51 and 3,901.28 is: 5,383.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045.09 : 9,722.51 = 3,901.28 : x
  2. Step 2: Convert to fraction form
    7,045.09/9,722.51 = 3,901.28/x
  3. Step 3: Cross multiply
    7,045.09x = 9,722.51 × 3,901.28
  4. Step 4: Simplify right side
    7,045.09x = 37,930,185.20
  5. Step 5: Solve for x
    x = 37,930,185.20/7,045.09
  6. Step 6: Final answer
    x = 5,383.92

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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.