Home / 7,931.67-10,945.78-4,394.96

Finding the Fourth Proportional to 7,931.67, 10,945.78 and 4,394.96

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Solution

The fourth proportional to 7,931.67, 10,945.78 and 4,394.96 is: 6,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.67 : 10,945.78 = 4,394.96 : x
  2. Step 2: Convert to fraction form
    7,931.67/10,945.78 = 4,394.96/x
  3. Step 3: Cross multiply
    7,931.67x = 10,945.78 × 4,394.96
  4. Step 4: Simplify right side
    7,931.67x = 48,106,265.32
  5. Step 5: Solve for x
    x = 48,106,265.32/7,931.67
  6. Step 6: Final answer
    x = 6,065.09

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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.