Home / 8,787.53-12,126.80-4,808.67

Finding the Fourth Proportional to 8,787.53, 12,126.80 and 4,808.67

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Solution

The fourth proportional to 8,787.53, 12,126.80 and 4,808.67 is: 6,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.53 : 12,126.80 = 4,808.67 : x
  2. Step 2: Convert to fraction form
    8,787.53/12,126.80 = 4,808.67/x
  3. Step 3: Cross multiply
    8,787.53x = 12,126.80 × 4,808.67
  4. Step 4: Simplify right side
    8,787.53x = 58,313,739.14
  5. Step 5: Solve for x
    x = 58,313,739.14/8,787.53
  6. Step 6: Final answer
    x = 6,635.97

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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.