Home / 8,239.50-12,361.08-4,539.83

Finding the Fourth Proportional to 8,239.50, 12,361.08 and 4,539.83

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Solution

The fourth proportional to 8,239.50, 12,361.08 and 4,539.83 is: 6,810.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.50 : 12,361.08 = 4,539.83 : x
  2. Step 2: Convert to fraction form
    8,239.50/12,361.08 = 4,539.83/x
  3. Step 3: Cross multiply
    8,239.50x = 12,361.08 × 4,539.83
  4. Step 4: Simplify right side
    8,239.50x = 56,117,140.01
  5. Step 5: Solve for x
    x = 56,117,140.01/8,239.50
  6. Step 6: Final answer
    x = 6,810.75

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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.