Home / 6,376.08-9,555.48-2,905.20

Finding the Fourth Proportional to 6,376.08, 9,555.48 and 2,905.20

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Solution

The fourth proportional to 6,376.08, 9,555.48 and 2,905.20 is: 4,353.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.08 : 9,555.48 = 2,905.20 : x
  2. Step 2: Convert to fraction form
    6,376.08/9,555.48 = 2,905.20/x
  3. Step 3: Cross multiply
    6,376.08x = 9,555.48 × 2,905.20
  4. Step 4: Simplify right side
    6,376.08x = 27,760,580.50
  5. Step 5: Solve for x
    x = 27,760,580.50/6,376.08
  6. Step 6: Final answer
    x = 4,353.86

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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.