Home / 7,490.64-11,232.18-4,284.54

Finding the Fourth Proportional to 7,490.64, 11,232.18 and 4,284.54

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Solution

The fourth proportional to 7,490.64, 11,232.18 and 4,284.54 is: 6,424.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490.64 : 11,232.18 = 4,284.54 : x
  2. Step 2: Convert to fraction form
    7,490.64/11,232.18 = 4,284.54/x
  3. Step 3: Cross multiply
    7,490.64x = 11,232.18 × 4,284.54
  4. Step 4: Simplify right side
    7,490.64x = 48,124,724.50
  5. Step 5: Solve for x
    x = 48,124,724.50/7,490.64
  6. Step 6: Final answer
    x = 6,424.65

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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.