Home / 8,835.40-12,192.70-4,856.42

Finding the Fourth Proportional to 8,835.40, 12,192.70 and 4,856.42

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Solution

The fourth proportional to 8,835.40, 12,192.70 and 4,856.42 is: 6,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.40 : 12,192.70 = 4,856.42 : x
  2. Step 2: Convert to fraction form
    8,835.40/12,192.70 = 4,856.42/x
  3. Step 3: Cross multiply
    8,835.40x = 12,192.70 × 4,856.42
  4. Step 4: Simplify right side
    8,835.40x = 59,212,872.13
  5. Step 5: Solve for x
    x = 59,212,872.13/8,835.40
  6. Step 6: Final answer
    x = 6,701.78

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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.