Home / 7,286.90-10,930.35-4,522.10

Finding the Fourth Proportional to 7,286.90, 10,930.35 and 4,522.10

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Solution

The fourth proportional to 7,286.90, 10,930.35 and 4,522.10 is: 6,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.90 : 10,930.35 = 4,522.10 : x
  2. Step 2: Convert to fraction form
    7,286.90/10,930.35 = 4,522.10/x
  3. Step 3: Cross multiply
    7,286.90x = 10,930.35 × 4,522.10
  4. Step 4: Simplify right side
    7,286.90x = 49,428,135.74
  5. Step 5: Solve for x
    x = 49,428,135.74/7,286.90
  6. Step 6: Final answer
    x = 6,783.15

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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.