Home / 7,423.72-10,244.49-4,066.45

Finding the Fourth Proportional to 7,423.72, 10,244.49 and 4,066.45

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Solution

The fourth proportional to 7,423.72, 10,244.49 and 4,066.45 is: 5,611.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,423.72 : 10,244.49 = 4,066.45 : x
  2. Step 2: Convert to fraction form
    7,423.72/10,244.49 = 4,066.45/x
  3. Step 3: Cross multiply
    7,423.72x = 10,244.49 × 4,066.45
  4. Step 4: Simplify right side
    7,423.72x = 41,658,655.14
  5. Step 5: Solve for x
    x = 41,658,655.14/7,423.72
  6. Step 6: Final answer
    x = 5,611.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.