Home / 8,459.21-12,686.36-2,535.86

Finding the Fourth Proportional to 8,459.21, 12,686.36 and 2,535.86

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Solution

The fourth proportional to 8,459.21, 12,686.36 and 2,535.86 is: 3,803.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.21 : 12,686.36 = 2,535.86 : x
  2. Step 2: Convert to fraction form
    8,459.21/12,686.36 = 2,535.86/x
  3. Step 3: Cross multiply
    8,459.21x = 12,686.36 × 2,535.86
  4. Step 4: Simplify right side
    8,459.21x = 32,170,851.91
  5. Step 5: Solve for x
    x = 32,170,851.91/8,459.21
  6. Step 6: Final answer
    x = 3,803.06

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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.