Home / 8,414.84-11,607.72-4,877.58

Finding the Fourth Proportional to 8,414.84, 11,607.72 and 4,877.58

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Solution

The fourth proportional to 8,414.84, 11,607.72 and 4,877.58 is: 6,728.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.84 : 11,607.72 = 4,877.58 : x
  2. Step 2: Convert to fraction form
    8,414.84/11,607.72 = 4,877.58/x
  3. Step 3: Cross multiply
    8,414.84x = 11,607.72 × 4,877.58
  4. Step 4: Simplify right side
    8,414.84x = 56,617,582.92
  5. Step 5: Solve for x
    x = 56,617,582.92/8,414.84
  6. Step 6: Final answer
    x = 6,728.30

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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.