Home / 4,815.84-6,646.62-2,928.02

Finding the Fourth Proportional to 4,815.84, 6,646.62 and 2,928.02

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Solution

The fourth proportional to 4,815.84, 6,646.62 and 2,928.02 is: 4,041.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.84 : 6,646.62 = 2,928.02 : x
  2. Step 2: Convert to fraction form
    4,815.84/6,646.62 = 2,928.02/x
  3. Step 3: Cross multiply
    4,815.84x = 6,646.62 × 2,928.02
  4. Step 4: Simplify right side
    4,815.84x = 19,461,403.06
  5. Step 5: Solve for x
    x = 19,461,403.06/4,815.84
  6. Step 6: Final answer
    x = 4,041.12

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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.