Home / 7,698.96-11,547.36-2,152.80

Finding the Fourth Proportional to 7,698.96, 11,547.36 and 2,152.80

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Solution

The fourth proportional to 7,698.96, 11,547.36 and 2,152.80 is: 3,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.96 : 11,547.36 = 2,152.80 : x
  2. Step 2: Convert to fraction form
    7,698.96/11,547.36 = 2,152.80/x
  3. Step 3: Cross multiply
    7,698.96x = 11,547.36 × 2,152.80
  4. Step 4: Simplify right side
    7,698.96x = 24,859,156.61
  5. Step 5: Solve for x
    x = 24,859,156.61/7,698.96
  6. Step 6: Final answer
    x = 3,228.90

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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.