Home / 6,442.43-8,890.01-3,571.24

Finding the Fourth Proportional to 6,442.43, 8,890.01 and 3,571.24

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Solution

The fourth proportional to 6,442.43, 8,890.01 and 3,571.24 is: 4,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442.43 : 8,890.01 = 3,571.24 : x
  2. Step 2: Convert to fraction form
    6,442.43/8,890.01 = 3,571.24/x
  3. Step 3: Cross multiply
    6,442.43x = 8,890.01 × 3,571.24
  4. Step 4: Simplify right side
    6,442.43x = 31,748,314.86
  5. Step 5: Solve for x
    x = 31,748,314.86/6,442.43
  6. Step 6: Final answer
    x = 4,928.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.