Home / 8,588.05-12,886.86-4,639.22

Finding the Fourth Proportional to 8,588.05, 12,886.86 and 4,639.22

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Solution

The fourth proportional to 8,588.05, 12,886.86 and 4,639.22 is: 6,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.05 : 12,886.86 = 4,639.22 : x
  2. Step 2: Convert to fraction form
    8,588.05/12,886.86 = 4,639.22/x
  3. Step 3: Cross multiply
    8,588.05x = 12,886.86 × 4,639.22
  4. Step 4: Simplify right side
    8,588.05x = 59,784,978.65
  5. Step 5: Solve for x
    x = 59,784,978.65/8,588.05
  6. Step 6: Final answer
    x = 6,961.41

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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.