Home / 4,971.61-7,450.80-2,631.11

Finding the Fourth Proportional to 4,971.61, 7,450.80 and 2,631.11

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Solution

The fourth proportional to 4,971.61, 7,450.80 and 2,631.11 is: 3,943.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,971.61 : 7,450.80 = 2,631.11 : x
  2. Step 2: Convert to fraction form
    4,971.61/7,450.80 = 2,631.11/x
  3. Step 3: Cross multiply
    4,971.61x = 7,450.80 × 2,631.11
  4. Step 4: Simplify right side
    4,971.61x = 19,603,883.15
  5. Step 5: Solve for x
    x = 19,603,883.15/4,971.61
  6. Step 6: Final answer
    x = 3,943.17

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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.