Home / 8,643.32-11,926.80-4,866.39

Finding the Fourth Proportional to 8,643.32, 11,926.80 and 4,866.39

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Solution

The fourth proportional to 8,643.32, 11,926.80 and 4,866.39 is: 6,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,643.32 : 11,926.80 = 4,866.39 : x
  2. Step 2: Convert to fraction form
    8,643.32/11,926.80 = 4,866.39/x
  3. Step 3: Cross multiply
    8,643.32x = 11,926.80 × 4,866.39
  4. Step 4: Simplify right side
    8,643.32x = 58,040,419.61
  5. Step 5: Solve for x
    x = 58,040,419.61/8,643.32
  6. Step 6: Final answer
    x = 6,715.06

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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.