Home / 9,310.11-12,847.08-5,277.12

Finding the Fourth Proportional to 9,310.11, 12,847.08 and 5,277.12

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Solution

The fourth proportional to 9,310.11, 12,847.08 and 5,277.12 is: 7,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.11 : 12,847.08 = 5,277.12 : x
  2. Step 2: Convert to fraction form
    9,310.11/12,847.08 = 5,277.12/x
  3. Step 3: Cross multiply
    9,310.11x = 12,847.08 × 5,277.12
  4. Step 4: Simplify right side
    9,310.11x = 67,795,582.81
  5. Step 5: Solve for x
    x = 67,795,582.81/9,310.11
  6. Step 6: Final answer
    x = 7,281.93

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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.