Home / 8,588.76-12,872.36-4,639.86

Finding the Fourth Proportional to 8,588.76, 12,872.36 and 4,639.86

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Solution

The fourth proportional to 8,588.76, 12,872.36 and 4,639.86 is: 6,953.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,588.76 : 12,872.36 = 4,639.86 : x
  2. Step 2: Convert to fraction form
    8,588.76/12,872.36 = 4,639.86/x
  3. Step 3: Cross multiply
    8,588.76x = 12,872.36 × 4,639.86
  4. Step 4: Simplify right side
    8,588.76x = 59,725,925.07
  5. Step 5: Solve for x
    x = 59,725,925.07/8,588.76
  6. Step 6: Final answer
    x = 6,953.96

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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.