Home / 7,964.19-11,929.86-5,028.21

Finding the Fourth Proportional to 7,964.19, 11,929.86 and 5,028.21

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Solution

The fourth proportional to 7,964.19, 11,929.86 and 5,028.21 is: 7,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.19 : 11,929.86 = 5,028.21 : x
  2. Step 2: Convert to fraction form
    7,964.19/11,929.86 = 5,028.21/x
  3. Step 3: Cross multiply
    7,964.19x = 11,929.86 × 5,028.21
  4. Step 4: Simplify right side
    7,964.19x = 59,985,841.35
  5. Step 5: Solve for x
    x = 59,985,841.35/7,964.19
  6. Step 6: Final answer
    x = 7,531.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.