Home / 8,635.36-12,946.88-4,251.76

Finding the Fourth Proportional to 8,635.36, 12,946.88 and 4,251.76

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Solution

The fourth proportional to 8,635.36, 12,946.88 and 4,251.76 is: 6,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.36 : 12,946.88 = 4,251.76 : x
  2. Step 2: Convert to fraction form
    8,635.36/12,946.88 = 4,251.76/x
  3. Step 3: Cross multiply
    8,635.36x = 12,946.88 × 4,251.76
  4. Step 4: Simplify right side
    8,635.36x = 55,047,026.51
  5. Step 5: Solve for x
    x = 55,047,026.51/8,635.36
  6. Step 6: Final answer
    x = 6,374.61

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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.