Home / 8,528.66-12,785.46-3,330.90

Finding the Fourth Proportional to 8,528.66, 12,785.46 and 3,330.90

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Solution

The fourth proportional to 8,528.66, 12,785.46 and 3,330.90 is: 4,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.66 : 12,785.46 = 3,330.90 : x
  2. Step 2: Convert to fraction form
    8,528.66/12,785.46 = 3,330.90/x
  3. Step 3: Cross multiply
    8,528.66x = 12,785.46 × 3,330.90
  4. Step 4: Simplify right side
    8,528.66x = 42,587,088.71
  5. Step 5: Solve for x
    x = 42,587,088.71/8,528.66
  6. Step 6: Final answer
    x = 4,993.41

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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.