Home / 7,929.68-11,894.63-3,770.11

Finding the Fourth Proportional to 7,929.68, 11,894.63 and 3,770.11

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Solution

The fourth proportional to 7,929.68, 11,894.63 and 3,770.11 is: 5,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.68 : 11,894.63 = 3,770.11 : x
  2. Step 2: Convert to fraction form
    7,929.68/11,894.63 = 3,770.11/x
  3. Step 3: Cross multiply
    7,929.68x = 11,894.63 × 3,770.11
  4. Step 4: Simplify right side
    7,929.68x = 44,844,063.51
  5. Step 5: Solve for x
    x = 44,844,063.51/7,929.68
  6. Step 6: Final answer
    x = 5,655.22

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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.