Home / 7,327.84-10,109.90-4,140.76

Finding the Fourth Proportional to 7,327.84, 10,109.90 and 4,140.76

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Solution

The fourth proportional to 7,327.84, 10,109.90 and 4,140.76 is: 5,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.84 : 10,109.90 = 4,140.76 : x
  2. Step 2: Convert to fraction form
    7,327.84/10,109.90 = 4,140.76/x
  3. Step 3: Cross multiply
    7,327.84x = 10,109.90 × 4,140.76
  4. Step 4: Simplify right side
    7,327.84x = 41,862,669.52
  5. Step 5: Solve for x
    x = 41,862,669.52/7,327.84
  6. Step 6: Final answer
    x = 5,712.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.