Home / 8,263.55-12,395.67-2,420.17

Finding the Fourth Proportional to 8,263.55, 12,395.67 and 2,420.17

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Solution

The fourth proportional to 8,263.55, 12,395.67 and 2,420.17 is: 3,630.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.55 : 12,395.67 = 2,420.17 : x
  2. Step 2: Convert to fraction form
    8,263.55/12,395.67 = 2,420.17/x
  3. Step 3: Cross multiply
    8,263.55x = 12,395.67 × 2,420.17
  4. Step 4: Simplify right side
    8,263.55x = 29,999,628.66
  5. Step 5: Solve for x
    x = 29,999,628.66/8,263.55
  6. Step 6: Final answer
    x = 3,630.36

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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.