Home / 7,440.28-10,267.62-4,083.40

Finding the Fourth Proportional to 7,440.28, 10,267.62 and 4,083.40

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Solution

The fourth proportional to 7,440.28, 10,267.62 and 4,083.40 is: 5,635.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.28 : 10,267.62 = 4,083.40 : x
  2. Step 2: Convert to fraction form
    7,440.28/10,267.62 = 4,083.40/x
  3. Step 3: Cross multiply
    7,440.28x = 10,267.62 × 4,083.40
  4. Step 4: Simplify right side
    7,440.28x = 41,926,799.51
  5. Step 5: Solve for x
    x = 41,926,799.51/7,440.28
  6. Step 6: Final answer
    x = 5,635.11

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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.