Home / 9,277.87-12,800.97-5,298.19

Finding the Fourth Proportional to 9,277.87, 12,800.97 and 5,298.19

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Solution

The fourth proportional to 9,277.87, 12,800.97 and 5,298.19 is: 7,310.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,277.87 : 12,800.97 = 5,298.19 : x
  2. Step 2: Convert to fraction form
    9,277.87/12,800.97 = 5,298.19/x
  3. Step 3: Cross multiply
    9,277.87x = 12,800.97 × 5,298.19
  4. Step 4: Simplify right side
    9,277.87x = 67,821,971.24
  5. Step 5: Solve for x
    x = 67,821,971.24/9,277.87
  6. Step 6: Final answer
    x = 7,310.08

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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.