Home / 7,848.38-11,775.60-3,462.74

Finding the Fourth Proportional to 7,848.38, 11,775.60 and 3,462.74

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Solution

The fourth proportional to 7,848.38, 11,775.60 and 3,462.74 is: 5,195.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.38 : 11,775.60 = 3,462.74 : x
  2. Step 2: Convert to fraction form
    7,848.38/11,775.60 = 3,462.74/x
  3. Step 3: Cross multiply
    7,848.38x = 11,775.60 × 3,462.74
  4. Step 4: Simplify right side
    7,848.38x = 40,775,841.14
  5. Step 5: Solve for x
    x = 40,775,841.14/7,848.38
  6. Step 6: Final answer
    x = 5,195.45

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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.