Home / 6,455.13-9,682.70-1,838.13

Finding the Fourth Proportional to 6,455.13, 9,682.70 and 1,838.13

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Solution

The fourth proportional to 6,455.13, 9,682.70 and 1,838.13 is: 2,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.13 : 9,682.70 = 1,838.13 : x
  2. Step 2: Convert to fraction form
    6,455.13/9,682.70 = 1,838.13/x
  3. Step 3: Cross multiply
    6,455.13x = 9,682.70 × 1,838.13
  4. Step 4: Simplify right side
    6,455.13x = 17,798,061.35
  5. Step 5: Solve for x
    x = 17,798,061.35/6,455.13
  6. Step 6: Final answer
    x = 2,757.20

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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.