Home / 6,744.40-10,126.20-5,285.20

Finding the Fourth Proportional to 6,744.40, 10,126.20 and 5,285.20

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Solution

The fourth proportional to 6,744.40, 10,126.20 and 5,285.20 is: 7,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,744.40 : 10,126.20 = 5,285.20 : x
  2. Step 2: Convert to fraction form
    6,744.40/10,126.20 = 5,285.20/x
  3. Step 3: Cross multiply
    6,744.40x = 10,126.20 × 5,285.20
  4. Step 4: Simplify right side
    6,744.40x = 53,518,992.24
  5. Step 5: Solve for x
    x = 53,518,992.24/6,744.40
  6. Step 6: Final answer
    x = 7,935.32

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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.