Home / 8,785.83-12,124.70-4,807.22

Finding the Fourth Proportional to 8,785.83, 12,124.70 and 4,807.22

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Solution

The fourth proportional to 8,785.83, 12,124.70 and 4,807.22 is: 6,634.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785.83 : 12,124.70 = 4,807.22 : x
  2. Step 2: Convert to fraction form
    8,785.83/12,124.70 = 4,807.22/x
  3. Step 3: Cross multiply
    8,785.83x = 12,124.70 × 4,807.22
  4. Step 4: Simplify right side
    8,785.83x = 58,286,033.70
  5. Step 5: Solve for x
    x = 58,286,033.70/8,785.83
  6. Step 6: Final answer
    x = 6,634.09

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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.