Home / 8,467.02-12,697.70-2,920.22

Finding the Fourth Proportional to 8,467.02, 12,697.70 and 2,920.22

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Solution

The fourth proportional to 8,467.02, 12,697.70 and 2,920.22 is: 4,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,467.02 : 12,697.70 = 2,920.22 : x
  2. Step 2: Convert to fraction form
    8,467.02/12,697.70 = 2,920.22/x
  3. Step 3: Cross multiply
    8,467.02x = 12,697.70 × 2,920.22
  4. Step 4: Simplify right side
    8,467.02x = 37,080,077.49
  5. Step 5: Solve for x
    x = 37,080,077.49/8,467.02
  6. Step 6: Final answer
    x = 4,379.35

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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.