Home / 8,486.20-12,729.30-4,598.20

Finding the Fourth Proportional to 8,486.20, 12,729.30 and 4,598.20

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Solution

The fourth proportional to 8,486.20, 12,729.30 and 4,598.20 is: 6,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.20 : 12,729.30 = 4,598.20 : x
  2. Step 2: Convert to fraction form
    8,486.20/12,729.30 = 4,598.20/x
  3. Step 3: Cross multiply
    8,486.20x = 12,729.30 × 4,598.20
  4. Step 4: Simplify right side
    8,486.20x = 58,531,867.26
  5. Step 5: Solve for x
    x = 58,531,867.26/8,486.20
  6. Step 6: Final answer
    x = 6,897.30

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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.