Home / 4,879.13-7,317.93-1,591.49

Finding the Fourth Proportional to 4,879.13, 7,317.93 and 1,591.49

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Solution

The fourth proportional to 4,879.13, 7,317.93 and 1,591.49 is: 2,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.13 : 7,317.93 = 1,591.49 : x
  2. Step 2: Convert to fraction form
    4,879.13/7,317.93 = 1,591.49/x
  3. Step 3: Cross multiply
    4,879.13x = 7,317.93 × 1,591.49
  4. Step 4: Simplify right side
    4,879.13x = 11,646,422.96
  5. Step 5: Solve for x
    x = 11,646,422.96/4,879.13
  6. Step 6: Final answer
    x = 2,386.99

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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.