Home / 7,758.30-10,697.25-6,336.75

Finding the Fourth Proportional to 7,758.30, 10,697.25 and 6,336.75

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Solution

The fourth proportional to 7,758.30, 10,697.25 and 6,336.75 is: 8,737.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,758.30 : 10,697.25 = 6,336.75 : x
  2. Step 2: Convert to fraction form
    7,758.30/10,697.25 = 6,336.75/x
  3. Step 3: Cross multiply
    7,758.30x = 10,697.25 × 6,336.75
  4. Step 4: Simplify right side
    7,758.30x = 67,785,798.94
  5. Step 5: Solve for x
    x = 67,785,798.94/7,758.30
  6. Step 6: Final answer
    x = 8,737.20

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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.