Home / 8,325.32-12,483.77-2,776.68

Finding the Fourth Proportional to 8,325.32, 12,483.77 and 2,776.68

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Solution

The fourth proportional to 8,325.32, 12,483.77 and 2,776.68 is: 4,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,325.32 : 12,483.77 = 2,776.68 : x
  2. Step 2: Convert to fraction form
    8,325.32/12,483.77 = 2,776.68/x
  3. Step 3: Cross multiply
    8,325.32x = 12,483.77 × 2,776.68
  4. Step 4: Simplify right side
    8,325.32x = 34,663,420.60
  5. Step 5: Solve for x
    x = 34,663,420.60/8,325.32
  6. Step 6: Final answer
    x = 4,163.62

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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.