Home / 7,777.80-10,732.77-4,240.94

Finding the Fourth Proportional to 7,777.80, 10,732.77 and 4,240.94

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Solution

The fourth proportional to 7,777.80, 10,732.77 and 4,240.94 is: 5,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.80 : 10,732.77 = 4,240.94 : x
  2. Step 2: Convert to fraction form
    7,777.80/10,732.77 = 4,240.94/x
  3. Step 3: Cross multiply
    7,777.80x = 10,732.77 × 4,240.94
  4. Step 4: Simplify right side
    7,777.80x = 45,516,979.94
  5. Step 5: Solve for x
    x = 45,516,979.94/7,777.80
  6. Step 6: Final answer
    x = 5,852.17

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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.