Home / 8,263.27-12,395.04-2,420.47

Finding the Fourth Proportional to 8,263.27, 12,395.04 and 2,420.47

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Solution

The fourth proportional to 8,263.27, 12,395.04 and 2,420.47 is: 3,630.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,263.27 : 12,395.04 = 2,420.47 : x
  2. Step 2: Convert to fraction form
    8,263.27/12,395.04 = 2,420.47/x
  3. Step 3: Cross multiply
    8,263.27x = 12,395.04 × 2,420.47
  4. Step 4: Simplify right side
    8,263.27x = 30,001,822.47
  5. Step 5: Solve for x
    x = 30,001,822.47/8,263.27
  6. Step 6: Final answer
    x = 3,630.74

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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.