Home / 6,937.78-10,407.35-2,554.21

Finding the Fourth Proportional to 6,937.78, 10,407.35 and 2,554.21

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Solution

The fourth proportional to 6,937.78, 10,407.35 and 2,554.21 is: 3,831.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,937.78 : 10,407.35 = 2,554.21 : x
  2. Step 2: Convert to fraction form
    6,937.78/10,407.35 = 2,554.21/x
  3. Step 3: Cross multiply
    6,937.78x = 10,407.35 × 2,554.21
  4. Step 4: Simplify right side
    6,937.78x = 26,582,521.85
  5. Step 5: Solve for x
    x = 26,582,521.85/6,937.78
  6. Step 6: Final answer
    x = 3,831.56

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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.