Home / 7,719.68-10,626.08-6,833.92

Finding the Fourth Proportional to 7,719.68, 10,626.08 and 6,833.92

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Solution

The fourth proportional to 7,719.68, 10,626.08 and 6,833.92 is: 9,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,719.68 : 10,626.08 = 6,833.92 : x
  2. Step 2: Convert to fraction form
    7,719.68/10,626.08 = 6,833.92/x
  3. Step 3: Cross multiply
    7,719.68x = 10,626.08 × 6,833.92
  4. Step 4: Simplify right side
    7,719.68x = 72,617,780.63
  5. Step 5: Solve for x
    x = 72,617,780.63/7,719.68
  6. Step 6: Final answer
    x = 9,406.84

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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.