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Finding the Fourth Proportional to 6,316.79, 9,475.79 and 2,618.93

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Solution

The fourth proportional to 6,316.79, 9,475.79 and 2,618.93 is: 3,928.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,316.79 : 9,475.79 = 2,618.93 : x
  2. Step 2: Convert to fraction form
    6,316.79/9,475.79 = 2,618.93/x
  3. Step 3: Cross multiply
    6,316.79x = 9,475.79 × 2,618.93
  4. Step 4: Simplify right side
    6,316.79x = 24,816,441.30
  5. Step 5: Solve for x
    x = 24,816,441.30/6,316.79
  6. Step 6: Final answer
    x = 3,928.65

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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.