Home / 7,886.12-10,881.66-4,529.07

Finding the Fourth Proportional to 7,886.12, 10,881.66 and 4,529.07

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Solution

The fourth proportional to 7,886.12, 10,881.66 and 4,529.07 is: 6,249.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.12 : 10,881.66 = 4,529.07 : x
  2. Step 2: Convert to fraction form
    7,886.12/10,881.66 = 4,529.07/x
  3. Step 3: Cross multiply
    7,886.12x = 10,881.66 × 4,529.07
  4. Step 4: Simplify right side
    7,886.12x = 49,283,799.86
  5. Step 5: Solve for x
    x = 49,283,799.86/7,886.12
  6. Step 6: Final answer
    x = 6,249.44

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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.