Home / 8,437.37-12,664.22-6,239.43

Finding the Fourth Proportional to 8,437.37, 12,664.22 and 6,239.43

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Solution

The fourth proportional to 8,437.37, 12,664.22 and 6,239.43 is: 9,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.37 : 12,664.22 = 6,239.43 : x
  2. Step 2: Convert to fraction form
    8,437.37/12,664.22 = 6,239.43/x
  3. Step 3: Cross multiply
    8,437.37x = 12,664.22 × 6,239.43
  4. Step 4: Simplify right side
    8,437.37x = 79,017,483.00
  5. Step 5: Solve for x
    x = 79,017,483.00/8,437.37
  6. Step 6: Final answer
    x = 9,365.18

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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.