Home / 7,217.84-10,818.55-3,055.25

Finding the Fourth Proportional to 7,217.84, 10,818.55 and 3,055.25

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Solution

The fourth proportional to 7,217.84, 10,818.55 and 3,055.25 is: 4,579.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.84 : 10,818.55 = 3,055.25 : x
  2. Step 2: Convert to fraction form
    7,217.84/10,818.55 = 3,055.25/x
  3. Step 3: Cross multiply
    7,217.84x = 10,818.55 × 3,055.25
  4. Step 4: Simplify right side
    7,217.84x = 33,053,374.89
  5. Step 5: Solve for x
    x = 33,053,374.89/7,217.84
  6. Step 6: Final answer
    x = 4,579.40

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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.