Home / 9,317.70-12,858.48-5,338.98

Finding the Fourth Proportional to 9,317.70, 12,858.48 and 5,338.98

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Solution

The fourth proportional to 9,317.70, 12,858.48 and 5,338.98 is: 7,367.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317.70 : 12,858.48 = 5,338.98 : x
  2. Step 2: Convert to fraction form
    9,317.70/12,858.48 = 5,338.98/x
  3. Step 3: Cross multiply
    9,317.70x = 12,858.48 × 5,338.98
  4. Step 4: Simplify right side
    9,317.70x = 68,651,167.55
  5. Step 5: Solve for x
    x = 68,651,167.55/9,317.70
  6. Step 6: Final answer
    x = 7,367.82

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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.