Home / 7,777.48-10,732.98-4,240.72

Finding the Fourth Proportional to 7,777.48, 10,732.98 and 4,240.72

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Solution

The fourth proportional to 7,777.48, 10,732.98 and 4,240.72 is: 5,852.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.48 : 10,732.98 = 4,240.72 : x
  2. Step 2: Convert to fraction form
    7,777.48/10,732.98 = 4,240.72/x
  3. Step 3: Cross multiply
    7,777.48x = 10,732.98 × 4,240.72
  4. Step 4: Simplify right side
    7,777.48x = 45,515,562.95
  5. Step 5: Solve for x
    x = 45,515,562.95/7,777.48
  6. Step 6: Final answer
    x = 5,852.23

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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.