Home / 8,500.39-11,730.89-4,723.54

Finding the Fourth Proportional to 8,500.39, 11,730.89 and 4,723.54

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Solution

The fourth proportional to 8,500.39, 11,730.89 and 4,723.54 is: 6,518.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500.39 : 11,730.89 = 4,723.54 : x
  2. Step 2: Convert to fraction form
    8,500.39/11,730.89 = 4,723.54/x
  3. Step 3: Cross multiply
    8,500.39x = 11,730.89 × 4,723.54
  4. Step 4: Simplify right side
    8,500.39x = 55,411,328.15
  5. Step 5: Solve for x
    x = 55,411,328.15/8,500.39
  6. Step 6: Final answer
    x = 6,518.68

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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.