Home / 8,688.98-13,033.53-2,449.58

Finding the Fourth Proportional to 8,688.98, 13,033.53 and 2,449.58

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Solution

The fourth proportional to 8,688.98, 13,033.53 and 2,449.58 is: 3,674.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.98 : 13,033.53 = 2,449.58 : x
  2. Step 2: Convert to fraction form
    8,688.98/13,033.53 = 2,449.58/x
  3. Step 3: Cross multiply
    8,688.98x = 13,033.53 × 2,449.58
  4. Step 4: Simplify right side
    8,688.98x = 31,926,674.42
  5. Step 5: Solve for x
    x = 31,926,674.42/8,688.98
  6. Step 6: Final answer
    x = 3,674.39

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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.