Home / 7,146.36-10,670.67-6,401.16

Finding the Fourth Proportional to 7,146.36, 10,670.67 and 6,401.16

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Solution

The fourth proportional to 7,146.36, 10,670.67 and 6,401.16 is: 9,557.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.36 : 10,670.67 = 6,401.16 : x
  2. Step 2: Convert to fraction form
    7,146.36/10,670.67 = 6,401.16/x
  3. Step 3: Cross multiply
    7,146.36x = 10,670.67 × 6,401.16
  4. Step 4: Simplify right side
    7,146.36x = 68,304,665.98
  5. Step 5: Solve for x
    x = 68,304,665.98/7,146.36
  6. Step 6: Final answer
    x = 9,557.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.