Home / 8,154.90-12,228.48-2,606.94

Finding the Fourth Proportional to 8,154.90, 12,228.48 and 2,606.94

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Solution

The fourth proportional to 8,154.90, 12,228.48 and 2,606.94 is: 3,909.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,154.90 : 12,228.48 = 2,606.94 : x
  2. Step 2: Convert to fraction form
    8,154.90/12,228.48 = 2,606.94/x
  3. Step 3: Cross multiply
    8,154.90x = 12,228.48 × 2,606.94
  4. Step 4: Simplify right side
    8,154.90x = 31,878,913.65
  5. Step 5: Solve for x
    x = 31,878,913.65/8,154.90
  6. Step 6: Final answer
    x = 3,909.17

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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.