Home / 8,716.89-12,029.28-4,737.99

Finding the Fourth Proportional to 8,716.89, 12,029.28 and 4,737.99

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Solution

The fourth proportional to 8,716.89, 12,029.28 and 4,737.99 is: 6,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.89 : 12,029.28 = 4,737.99 : x
  2. Step 2: Convert to fraction form
    8,716.89/12,029.28 = 4,737.99/x
  3. Step 3: Cross multiply
    8,716.89x = 12,029.28 × 4,737.99
  4. Step 4: Simplify right side
    8,716.89x = 56,994,608.35
  5. Step 5: Solve for x
    x = 56,994,608.35/8,716.89
  6. Step 6: Final answer
    x = 6,538.41

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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.