Home / 7,902.56-10,907.68-4,675.20

Finding the Fourth Proportional to 7,902.56, 10,907.68 and 4,675.20

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Solution

The fourth proportional to 7,902.56, 10,907.68 and 4,675.20 is: 6,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,902.56 : 10,907.68 = 4,675.20 : x
  2. Step 2: Convert to fraction form
    7,902.56/10,907.68 = 4,675.20/x
  3. Step 3: Cross multiply
    7,902.56x = 10,907.68 × 4,675.20
  4. Step 4: Simplify right side
    7,902.56x = 50,995,585.54
  5. Step 5: Solve for x
    x = 50,995,585.54/7,902.56
  6. Step 6: Final answer
    x = 6,453.05

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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.