Home / 5,225.31-7,873.88-4,321.18

Finding the Fourth Proportional to 5,225.31, 7,873.88 and 4,321.18

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Solution

The fourth proportional to 5,225.31, 7,873.88 and 4,321.18 is: 6,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,225.31 : 7,873.88 = 4,321.18 : x
  2. Step 2: Convert to fraction form
    5,225.31/7,873.88 = 4,321.18/x
  3. Step 3: Cross multiply
    5,225.31x = 7,873.88 × 4,321.18
  4. Step 4: Simplify right side
    5,225.31x = 34,024,441.01
  5. Step 5: Solve for x
    x = 34,024,441.01/5,225.31
  6. Step 6: Final answer
    x = 6,511.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.