Home / 7,577.92-10,456.77-4,220.60

Finding the Fourth Proportional to 7,577.92, 10,456.77 and 4,220.60

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Solution

The fourth proportional to 7,577.92, 10,456.77 and 4,220.60 is: 5,824.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,577.92 : 10,456.77 = 4,220.60 : x
  2. Step 2: Convert to fraction form
    7,577.92/10,456.77 = 4,220.60/x
  3. Step 3: Cross multiply
    7,577.92x = 10,456.77 × 4,220.60
  4. Step 4: Simplify right side
    7,577.92x = 44,133,843.46
  5. Step 5: Solve for x
    x = 44,133,843.46/7,577.92
  6. Step 6: Final answer
    x = 5,824.01

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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.