Home / 5,285.18-7,276.96-4,486.85

Finding the Fourth Proportional to 5,285.18, 7,276.96 and 4,486.85

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Solution

The fourth proportional to 5,285.18, 7,276.96 and 4,486.85 is: 6,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.18 : 7,276.96 = 4,486.85 : x
  2. Step 2: Convert to fraction form
    5,285.18/7,276.96 = 4,486.85/x
  3. Step 3: Cross multiply
    5,285.18x = 7,276.96 × 4,486.85
  4. Step 4: Simplify right side
    5,285.18x = 32,650,619.72
  5. Step 5: Solve for x
    x = 32,650,619.72/5,285.18
  6. Step 6: Final answer
    x = 6,177.77

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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.