Home / 8,068.84-11,135.08-4,665.60

Finding the Fourth Proportional to 8,068.84, 11,135.08 and 4,665.60

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Solution

The fourth proportional to 8,068.84, 11,135.08 and 4,665.60 is: 6,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,068.84 : 11,135.08 = 4,665.60 : x
  2. Step 2: Convert to fraction form
    8,068.84/11,135.08 = 4,665.60/x
  3. Step 3: Cross multiply
    8,068.84x = 11,135.08 × 4,665.60
  4. Step 4: Simplify right side
    8,068.84x = 51,951,829.25
  5. Step 5: Solve for x
    x = 51,951,829.25/8,068.84
  6. Step 6: Final answer
    x = 6,438.57

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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.