Home / 6,602.25-9,111.51-3,807.75

Finding the Fourth Proportional to 6,602.25, 9,111.51 and 3,807.75

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Solution

The fourth proportional to 6,602.25, 9,111.51 and 3,807.75 is: 5,254.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,602.25 : 9,111.51 = 3,807.75 : x
  2. Step 2: Convert to fraction form
    6,602.25/9,111.51 = 3,807.75/x
  3. Step 3: Cross multiply
    6,602.25x = 9,111.51 × 3,807.75
  4. Step 4: Simplify right side
    6,602.25x = 34,694,352.20
  5. Step 5: Solve for x
    x = 34,694,352.20/6,602.25
  6. Step 6: Final answer
    x = 5,254.93

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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.