Home / 7,123.58-10,687.04-2,193.11

Finding the Fourth Proportional to 7,123.58, 10,687.04 and 2,193.11

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Solution

The fourth proportional to 7,123.58, 10,687.04 and 2,193.11 is: 3,290.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123.58 : 10,687.04 = 2,193.11 : x
  2. Step 2: Convert to fraction form
    7,123.58/10,687.04 = 2,193.11/x
  3. Step 3: Cross multiply
    7,123.58x = 10,687.04 × 2,193.11
  4. Step 4: Simplify right side
    7,123.58x = 23,437,838.19
  5. Step 5: Solve for x
    x = 23,437,838.19/7,123.58
  6. Step 6: Final answer
    x = 3,290.18

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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.