Home / 7,825.47-11,722.56-4,703.79

Finding the Fourth Proportional to 7,825.47, 11,722.56 and 4,703.79

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Solution

The fourth proportional to 7,825.47, 11,722.56 and 4,703.79 is: 7,046.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.47 : 11,722.56 = 4,703.79 : x
  2. Step 2: Convert to fraction form
    7,825.47/11,722.56 = 4,703.79/x
  3. Step 3: Cross multiply
    7,825.47x = 11,722.56 × 4,703.79
  4. Step 4: Simplify right side
    7,825.47x = 55,140,460.50
  5. Step 5: Solve for x
    x = 55,140,460.50/7,825.47
  6. Step 6: Final answer
    x = 7,046.28

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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.