Home / 5,921.06-8,879.78-2,457.50

Finding the Fourth Proportional to 5,921.06, 8,879.78 and 2,457.50

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Solution

The fourth proportional to 5,921.06, 8,879.78 and 2,457.50 is: 3,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.06 : 8,879.78 = 2,457.50 : x
  2. Step 2: Convert to fraction form
    5,921.06/8,879.78 = 2,457.50/x
  3. Step 3: Cross multiply
    5,921.06x = 8,879.78 × 2,457.50
  4. Step 4: Simplify right side
    5,921.06x = 21,822,059.35
  5. Step 5: Solve for x
    x = 21,822,059.35/5,921.06
  6. Step 6: Final answer
    x = 3,685.50

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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.