Home / 6,838.54-10,261.29-3,140.38

Finding the Fourth Proportional to 6,838.54, 10,261.29 and 3,140.38

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Solution

The fourth proportional to 6,838.54, 10,261.29 and 3,140.38 is: 4,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,838.54 : 10,261.29 = 3,140.38 : x
  2. Step 2: Convert to fraction form
    6,838.54/10,261.29 = 3,140.38/x
  3. Step 3: Cross multiply
    6,838.54x = 10,261.29 × 3,140.38
  4. Step 4: Simplify right side
    6,838.54x = 32,224,349.89
  5. Step 5: Solve for x
    x = 32,224,349.89/6,838.54
  6. Step 6: Final answer
    x = 4,712.17

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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.