Home / 8,443.02-12,666.28-4,228.44

Finding the Fourth Proportional to 8,443.02, 12,666.28 and 4,228.44

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Solution

The fourth proportional to 8,443.02, 12,666.28 and 4,228.44 is: 6,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.02 : 12,666.28 = 4,228.44 : x
  2. Step 2: Convert to fraction form
    8,443.02/12,666.28 = 4,228.44/x
  3. Step 3: Cross multiply
    8,443.02x = 12,666.28 × 4,228.44
  4. Step 4: Simplify right side
    8,443.02x = 53,558,605.00
  5. Step 5: Solve for x
    x = 53,558,605.00/8,443.02
  6. Step 6: Final answer
    x = 6,343.54

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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.