Home / 5,045.55-7,566.97-2,123.18

Finding the Fourth Proportional to 5,045.55, 7,566.97 and 2,123.18

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Solution

The fourth proportional to 5,045.55, 7,566.97 and 2,123.18 is: 3,184.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.55 : 7,566.97 = 2,123.18 : x
  2. Step 2: Convert to fraction form
    5,045.55/7,566.97 = 2,123.18/x
  3. Step 3: Cross multiply
    5,045.55x = 7,566.97 × 2,123.18
  4. Step 4: Simplify right side
    5,045.55x = 16,066,039.36
  5. Step 5: Solve for x
    x = 16,066,039.36/5,045.55
  6. Step 6: Final answer
    x = 3,184.20

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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.