Home / 7,697.72-11,547.89-2,767.86

Finding the Fourth Proportional to 7,697.72, 11,547.89 and 2,767.86

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Solution

The fourth proportional to 7,697.72, 11,547.89 and 2,767.86 is: 4,152.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,697.72 : 11,547.89 = 2,767.86 : x
  2. Step 2: Convert to fraction form
    7,697.72/11,547.89 = 2,767.86/x
  3. Step 3: Cross multiply
    7,697.72x = 11,547.89 × 2,767.86
  4. Step 4: Simplify right side
    7,697.72x = 31,962,928.98
  5. Step 5: Solve for x
    x = 31,962,928.98/7,697.72
  6. Step 6: Final answer
    x = 4,152.26

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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.