Home / 8,422.58-12,627.96-3,740.06

Finding the Fourth Proportional to 8,422.58, 12,627.96 and 3,740.06

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Solution

The fourth proportional to 8,422.58, 12,627.96 and 3,740.06 is: 5,607.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,422.58 : 12,627.96 = 3,740.06 : x
  2. Step 2: Convert to fraction form
    8,422.58/12,627.96 = 3,740.06/x
  3. Step 3: Cross multiply
    8,422.58x = 12,627.96 × 3,740.06
  4. Step 4: Simplify right side
    8,422.58x = 47,229,328.08
  5. Step 5: Solve for x
    x = 47,229,328.08/8,422.58
  6. Step 6: Final answer
    x = 5,607.47

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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.