Home / 7,824.20-11,712.71-5,045.34

Finding the Fourth Proportional to 7,824.20, 11,712.71 and 5,045.34

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Solution

The fourth proportional to 7,824.20, 11,712.71 and 5,045.34 is: 7,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.20 : 11,712.71 = 5,045.34 : x
  2. Step 2: Convert to fraction form
    7,824.20/11,712.71 = 5,045.34/x
  3. Step 3: Cross multiply
    7,824.20x = 11,712.71 × 5,045.34
  4. Step 4: Simplify right side
    7,824.20x = 59,094,579.04
  5. Step 5: Solve for x
    x = 59,094,579.04/7,824.20
  6. Step 6: Final answer
    x = 7,552.80

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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.