Home / 10,078.57-15,110.63-4,738.76

Finding the Fourth Proportional to 10,078.57, 15,110.63 and 4,738.76

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Solution

The fourth proportional to 10,078.57, 15,110.63 and 4,738.76 is: 7,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,078.57 : 15,110.63 = 4,738.76 : x
  2. Step 2: Convert to fraction form
    10,078.57/15,110.63 = 4,738.76/x
  3. Step 3: Cross multiply
    10,078.57x = 15,110.63 × 4,738.76
  4. Step 4: Simplify right side
    10,078.57x = 71,605,649.02
  5. Step 5: Solve for x
    x = 71,605,649.02/10,078.57
  6. Step 6: Final answer
    x = 7,104.74

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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.