Home / 7,777.37-10,732.85-4,240.65

Finding the Fourth Proportional to 7,777.37, 10,732.85 and 4,240.65

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Solution

The fourth proportional to 7,777.37, 10,732.85 and 4,240.65 is: 5,852.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,777.37 : 10,732.85 = 4,240.65 : x
  2. Step 2: Convert to fraction form
    7,777.37/10,732.85 = 4,240.65/x
  3. Step 3: Cross multiply
    7,777.37x = 10,732.85 × 4,240.65
  4. Step 4: Simplify right side
    7,777.37x = 45,514,239.15
  5. Step 5: Solve for x
    x = 45,514,239.15/7,777.37
  6. Step 6: Final answer
    x = 5,852.14

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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.