Home / 4,878.91-7,318.77-1,591.93

Finding the Fourth Proportional to 4,878.91, 7,318.77 and 1,591.93

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Solution

The fourth proportional to 4,878.91, 7,318.77 and 1,591.93 is: 2,388.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.91 : 7,318.77 = 1,591.93 : x
  2. Step 2: Convert to fraction form
    4,878.91/7,318.77 = 1,591.93/x
  3. Step 3: Cross multiply
    4,878.91x = 7,318.77 × 1,591.93
  4. Step 4: Simplify right side
    4,878.91x = 11,650,969.53
  5. Step 5: Solve for x
    x = 11,650,969.53/4,878.91
  6. Step 6: Final answer
    x = 2,388.03

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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.