Home / 7,083.72-10,625.80-2,153.40

Finding the Fourth Proportional to 7,083.72, 10,625.80 and 2,153.40

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Solution

The fourth proportional to 7,083.72, 10,625.80 and 2,153.40 is: 3,230.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.72 : 10,625.80 = 2,153.40 : x
  2. Step 2: Convert to fraction form
    7,083.72/10,625.80 = 2,153.40/x
  3. Step 3: Cross multiply
    7,083.72x = 10,625.80 × 2,153.40
  4. Step 4: Simplify right side
    7,083.72x = 22,881,597.72
  5. Step 5: Solve for x
    x = 22,881,597.72/7,083.72
  6. Step 6: Final answer
    x = 3,230.17

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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.