Home / 4,305.20-6,457.62-1,384.16

Finding the Fourth Proportional to 4,305.20, 6,457.62 and 1,384.16

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Solution

The fourth proportional to 4,305.20, 6,457.62 and 1,384.16 is: 2,076.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.20 : 6,457.62 = 1,384.16 : x
  2. Step 2: Convert to fraction form
    4,305.20/6,457.62 = 1,384.16/x
  3. Step 3: Cross multiply
    4,305.20x = 6,457.62 × 1,384.16
  4. Step 4: Simplify right side
    4,305.20x = 8,938,379.30
  5. Step 5: Solve for x
    x = 8,938,379.30/4,305.20
  6. Step 6: Final answer
    x = 2,076.18

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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.