Home / 7,698.98-11,547.84-2,151.86

Finding the Fourth Proportional to 7,698.98, 11,547.84 and 2,151.86

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Solution

The fourth proportional to 7,698.98, 11,547.84 and 2,151.86 is: 3,227.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.98 : 11,547.84 = 2,151.86 : x
  2. Step 2: Convert to fraction form
    7,698.98/11,547.84 = 2,151.86/x
  3. Step 3: Cross multiply
    7,698.98x = 11,547.84 × 2,151.86
  4. Step 4: Simplify right side
    7,698.98x = 24,849,334.98
  5. Step 5: Solve for x
    x = 24,849,334.98/7,698.98
  6. Step 6: Final answer
    x = 3,227.61

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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.