Home / 7,643.11-11,447.73-5,875.09

Finding the Fourth Proportional to 7,643.11, 11,447.73 and 5,875.09

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Solution

The fourth proportional to 7,643.11, 11,447.73 and 5,875.09 is: 8,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.11 : 11,447.73 = 5,875.09 : x
  2. Step 2: Convert to fraction form
    7,643.11/11,447.73 = 5,875.09/x
  3. Step 3: Cross multiply
    7,643.11x = 11,447.73 × 5,875.09
  4. Step 4: Simplify right side
    7,643.11x = 67,256,444.05
  5. Step 5: Solve for x
    x = 67,256,444.05/7,643.11
  6. Step 6: Final answer
    x = 8,799.62

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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.