Home / 7,716.86-10,649.22-4,360.76

Finding the Fourth Proportional to 7,716.86, 10,649.22 and 4,360.76

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Solution

The fourth proportional to 7,716.86, 10,649.22 and 4,360.76 is: 6,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,716.86 : 10,649.22 = 4,360.76 : x
  2. Step 2: Convert to fraction form
    7,716.86/10,649.22 = 4,360.76/x
  3. Step 3: Cross multiply
    7,716.86x = 10,649.22 × 4,360.76
  4. Step 4: Simplify right side
    7,716.86x = 46,438,692.61
  5. Step 5: Solve for x
    x = 46,438,692.61/7,716.86
  6. Step 6: Final answer
    x = 6,017.82

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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.