Home / 8,598.45-12,885.51-3,663.12

Finding the Fourth Proportional to 8,598.45, 12,885.51 and 3,663.12

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Solution

The fourth proportional to 8,598.45, 12,885.51 and 3,663.12 is: 5,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,598.45 : 12,885.51 = 3,663.12 : x
  2. Step 2: Convert to fraction form
    8,598.45/12,885.51 = 3,663.12/x
  3. Step 3: Cross multiply
    8,598.45x = 12,885.51 × 3,663.12
  4. Step 4: Simplify right side
    8,598.45x = 47,201,169.39
  5. Step 5: Solve for x
    x = 47,201,169.39/8,598.45
  6. Step 6: Final answer
    x = 5,489.50

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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.