Home / 7,561.64-11,330.90-3,176.70

Finding the Fourth Proportional to 7,561.64, 11,330.90 and 3,176.70

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Solution

The fourth proportional to 7,561.64, 11,330.90 and 3,176.70 is: 4,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.64 : 11,330.90 = 3,176.70 : x
  2. Step 2: Convert to fraction form
    7,561.64/11,330.90 = 3,176.70/x
  3. Step 3: Cross multiply
    7,561.64x = 11,330.90 × 3,176.70
  4. Step 4: Simplify right side
    7,561.64x = 35,994,870.03
  5. Step 5: Solve for x
    x = 35,994,870.03/7,561.64
  6. Step 6: Final answer
    x = 4,760.19

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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.