Home / 7,854.67-10,839.45-4,317.94

Finding the Fourth Proportional to 7,854.67, 10,839.45 and 4,317.94

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Solution

The fourth proportional to 7,854.67, 10,839.45 and 4,317.94 is: 5,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.67 : 10,839.45 = 4,317.94 : x
  2. Step 2: Convert to fraction form
    7,854.67/10,839.45 = 4,317.94/x
  3. Step 3: Cross multiply
    7,854.67x = 10,839.45 × 4,317.94
  4. Step 4: Simplify right side
    7,854.67x = 46,804,094.73
  5. Step 5: Solve for x
    x = 46,804,094.73/7,854.67
  6. Step 6: Final answer
    x = 5,958.76

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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.