Home / 7,124.80-10,688.35-2,194.44

Finding the Fourth Proportional to 7,124.80, 10,688.35 and 2,194.44

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Solution

The fourth proportional to 7,124.80, 10,688.35 and 2,194.44 is: 3,292.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,124.80 : 10,688.35 = 2,194.44 : x
  2. Step 2: Convert to fraction form
    7,124.80/10,688.35 = 2,194.44/x
  3. Step 3: Cross multiply
    7,124.80x = 10,688.35 × 2,194.44
  4. Step 4: Simplify right side
    7,124.80x = 23,454,929.41
  5. Step 5: Solve for x
    x = 23,454,929.41/7,124.80
  6. Step 6: Final answer
    x = 3,292.01

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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.