Home / 4,887.42-7,334.06-4,490.40

Finding the Fourth Proportional to 4,887.42, 7,334.06 and 4,490.40

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Solution

The fourth proportional to 4,887.42, 7,334.06 and 4,490.40 is: 6,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,887.42 : 7,334.06 = 4,490.40 : x
  2. Step 2: Convert to fraction form
    4,887.42/7,334.06 = 4,490.40/x
  3. Step 3: Cross multiply
    4,887.42x = 7,334.06 × 4,490.40
  4. Step 4: Simplify right side
    4,887.42x = 32,932,863.02
  5. Step 5: Solve for x
    x = 32,932,863.02/4,887.42
  6. Step 6: Final answer
    x = 6,738.29

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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.