Home / 7,083.60-10,625.85-2,156.63

Finding the Fourth Proportional to 7,083.60, 10,625.85 and 2,156.63

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Solution

The fourth proportional to 7,083.60, 10,625.85 and 2,156.63 is: 3,235.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083.60 : 10,625.85 = 2,156.63 : x
  2. Step 2: Convert to fraction form
    7,083.60/10,625.85 = 2,156.63/x
  3. Step 3: Cross multiply
    7,083.60x = 10,625.85 × 2,156.63
  4. Step 4: Simplify right side
    7,083.60x = 22,915,973.76
  5. Step 5: Solve for x
    x = 22,915,973.76/7,083.60
  6. Step 6: Final answer
    x = 3,235.07

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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.