Home / 7,918.67-10,927.31-4,381.67

Finding the Fourth Proportional to 7,918.67, 10,927.31 and 4,381.67

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Solution

The fourth proportional to 7,918.67, 10,927.31 and 4,381.67 is: 6,046.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,918.67 : 10,927.31 = 4,381.67 : x
  2. Step 2: Convert to fraction form
    7,918.67/10,927.31 = 4,381.67/x
  3. Step 3: Cross multiply
    7,918.67x = 10,927.31 × 4,381.67
  4. Step 4: Simplify right side
    7,918.67x = 47,879,789.86
  5. Step 5: Solve for x
    x = 47,879,789.86/7,918.67
  6. Step 6: Final answer
    x = 6,046.45

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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.