Home / 6,782.04-10,174.65-2,101.81

Finding the Fourth Proportional to 6,782.04, 10,174.65 and 2,101.81

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Solution

The fourth proportional to 6,782.04, 10,174.65 and 2,101.81 is: 3,153.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782.04 : 10,174.65 = 2,101.81 : x
  2. Step 2: Convert to fraction form
    6,782.04/10,174.65 = 2,101.81/x
  3. Step 3: Cross multiply
    6,782.04x = 10,174.65 × 2,101.81
  4. Step 4: Simplify right side
    6,782.04x = 21,385,124.99
  5. Step 5: Solve for x
    x = 21,385,124.99/6,782.04
  6. Step 6: Final answer
    x = 3,153.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.