Home / 7,860.56-10,845-4,503.76

Finding the Fourth Proportional to 7,860.56, 10,845 and 4,503.76

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Solution

The fourth proportional to 7,860.56, 10,845 and 4,503.76 is: 6,213.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.56 : 10,845 = 4,503.76 : x
  2. Step 2: Convert to fraction form
    7,860.56/10,845 = 4,503.76/x
  3. Step 3: Cross multiply
    7,860.56x = 10,845 × 4,503.76
  4. Step 4: Simplify right side
    7,860.56x = 48,843,277.20
  5. Step 5: Solve for x
    x = 48,843,277.20/7,860.56
  6. Step 6: Final answer
    x = 6,213.71

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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.