Home / 4,661.73-6,992.55-4,428.14

Finding the Fourth Proportional to 4,661.73, 6,992.55 and 4,428.14

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Solution

The fourth proportional to 4,661.73, 6,992.55 and 4,428.14 is: 6,642.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.73 : 6,992.55 = 4,428.14 : x
  2. Step 2: Convert to fraction form
    4,661.73/6,992.55 = 4,428.14/x
  3. Step 3: Cross multiply
    4,661.73x = 6,992.55 × 4,428.14
  4. Step 4: Simplify right side
    4,661.73x = 30,963,955.39
  5. Step 5: Solve for x
    x = 30,963,955.39/4,661.73
  6. Step 6: Final answer
    x = 6,642.16

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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.