Home / 7,317.15-10,981.85-6,628.25

Finding the Fourth Proportional to 7,317.15, 10,981.85 and 6,628.25

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Solution

The fourth proportional to 7,317.15, 10,981.85 and 6,628.25 is: 9,947.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.15 : 10,981.85 = 6,628.25 : x
  2. Step 2: Convert to fraction form
    7,317.15/10,981.85 = 6,628.25/x
  3. Step 3: Cross multiply
    7,317.15x = 10,981.85 × 6,628.25
  4. Step 4: Simplify right side
    7,317.15x = 72,790,359.21
  5. Step 5: Solve for x
    x = 72,790,359.21/7,317.15
  6. Step 6: Final answer
    x = 9,947.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.