Home / 8,766.74-12,106.18-5,628.40

Finding the Fourth Proportional to 8,766.74, 12,106.18 and 5,628.40

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Solution

The fourth proportional to 8,766.74, 12,106.18 and 5,628.40 is: 7,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.74 : 12,106.18 = 5,628.40 : x
  2. Step 2: Convert to fraction form
    8,766.74/12,106.18 = 5,628.40/x
  3. Step 3: Cross multiply
    8,766.74x = 12,106.18 × 5,628.40
  4. Step 4: Simplify right side
    8,766.74x = 68,138,423.51
  5. Step 5: Solve for x
    x = 68,138,423.51/8,766.74
  6. Step 6: Final answer
    x = 7,772.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.