Home / 6,602.43-9,111.36-3,618.21

Finding the Fourth Proportional to 6,602.43, 9,111.36 and 3,618.21

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Solution

The fourth proportional to 6,602.43, 9,111.36 and 3,618.21 is: 4,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.43 : 9,111.36 = 3,618.21 : x
  2. Step 2: Convert to fraction form
    6,602.43/9,111.36 = 3,618.21/x
  3. Step 3: Cross multiply
    6,602.43x = 9,111.36 × 3,618.21
  4. Step 4: Simplify right side
    6,602.43x = 32,966,813.87
  5. Step 5: Solve for x
    x = 32,966,813.87/6,602.43
  6. Step 6: Final answer
    x = 4,993.13

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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.