Home / 8,343.78-12,518.24-4,445.25

Finding the Fourth Proportional to 8,343.78, 12,518.24 and 4,445.25

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Solution

The fourth proportional to 8,343.78, 12,518.24 and 4,445.25 is: 6,669.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,343.78 : 12,518.24 = 4,445.25 : x
  2. Step 2: Convert to fraction form
    8,343.78/12,518.24 = 4,445.25/x
  3. Step 3: Cross multiply
    8,343.78x = 12,518.24 × 4,445.25
  4. Step 4: Simplify right side
    8,343.78x = 55,646,684.13
  5. Step 5: Solve for x
    x = 55,646,684.13/8,343.78
  6. Step 6: Final answer
    x = 6,669.24

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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.