Home / 4,900.15-6,762.09-2,661.98

Finding the Fourth Proportional to 4,900.15, 6,762.09 and 2,661.98

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Solution

The fourth proportional to 4,900.15, 6,762.09 and 2,661.98 is: 3,673.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.15 : 6,762.09 = 2,661.98 : x
  2. Step 2: Convert to fraction form
    4,900.15/6,762.09 = 2,661.98/x
  3. Step 3: Cross multiply
    4,900.15x = 6,762.09 × 2,661.98
  4. Step 4: Simplify right side
    4,900.15x = 18,000,514.53
  5. Step 5: Solve for x
    x = 18,000,514.53/4,900.15
  6. Step 6: Final answer
    x = 3,673.46

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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.