Home / 4,879.23-7,317.16-1,591.50

Finding the Fourth Proportional to 4,879.23, 7,317.16 and 1,591.50

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Solution

The fourth proportional to 4,879.23, 7,317.16 and 1,591.50 is: 2,386.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.23 : 7,317.16 = 1,591.50 : x
  2. Step 2: Convert to fraction form
    4,879.23/7,317.16 = 1,591.50/x
  3. Step 3: Cross multiply
    4,879.23x = 7,317.16 × 1,591.50
  4. Step 4: Simplify right side
    4,879.23x = 11,645,260.14
  5. Step 5: Solve for x
    x = 11,645,260.14/4,879.23
  6. Step 6: Final answer
    x = 2,386.70

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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.