Home / 8,500.35-11,730.10-4,723.78

Finding the Fourth Proportional to 8,500.35, 11,730.10 and 4,723.78

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Solution

The fourth proportional to 8,500.35, 11,730.10 and 4,723.78 is: 6,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.35 : 11,730.10 = 4,723.78 : x
  2. Step 2: Convert to fraction form
    8,500.35/11,730.10 = 4,723.78/x
  3. Step 3: Cross multiply
    8,500.35x = 11,730.10 × 4,723.78
  4. Step 4: Simplify right side
    8,500.35x = 55,410,411.78
  5. Step 5: Solve for x
    x = 55,410,411.78/8,500.35
  6. Step 6: Final answer
    x = 6,518.60

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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.