Home / 8,557.36-12,837.84-4,861.30

Finding the Fourth Proportional to 8,557.36, 12,837.84 and 4,861.30

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Solution

The fourth proportional to 8,557.36, 12,837.84 and 4,861.30 is: 7,292.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,557.36 : 12,837.84 = 4,861.30 : x
  2. Step 2: Convert to fraction form
    8,557.36/12,837.84 = 4,861.30/x
  3. Step 3: Cross multiply
    8,557.36x = 12,837.84 × 4,861.30
  4. Step 4: Simplify right side
    8,557.36x = 62,408,591.59
  5. Step 5: Solve for x
    x = 62,408,591.59/8,557.36
  6. Step 6: Final answer
    x = 7,292.97

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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.