Home / 8,176.49-12,263.81-2,911.28

Finding the Fourth Proportional to 8,176.49, 12,263.81 and 2,911.28

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Solution

The fourth proportional to 8,176.49, 12,263.81 and 2,911.28 is: 4,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.49 : 12,263.81 = 2,911.28 : x
  2. Step 2: Convert to fraction form
    8,176.49/12,263.81 = 2,911.28/x
  3. Step 3: Cross multiply
    8,176.49x = 12,263.81 × 2,911.28
  4. Step 4: Simplify right side
    8,176.49x = 35,703,422.71
  5. Step 5: Solve for x
    x = 35,703,422.71/8,176.49
  6. Step 6: Final answer
    x = 4,366.60

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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.