Home / 6,573.36-9,861.24-2,190.40

Finding the Fourth Proportional to 6,573.36, 9,861.24 and 2,190.40

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Solution

The fourth proportional to 6,573.36, 9,861.24 and 2,190.40 is: 3,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,573.36 : 9,861.24 = 2,190.40 : x
  2. Step 2: Convert to fraction form
    6,573.36/9,861.24 = 2,190.40/x
  3. Step 3: Cross multiply
    6,573.36x = 9,861.24 × 2,190.40
  4. Step 4: Simplify right side
    6,573.36x = 21,600,060.10
  5. Step 5: Solve for x
    x = 21,600,060.10/6,573.36
  6. Step 6: Final answer
    x = 3,286.00

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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.