Home / 4,305.20-6,457.80-1,708.13

Finding the Fourth Proportional to 4,305.20, 6,457.80 and 1,708.13

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Solution

The fourth proportional to 4,305.20, 6,457.80 and 1,708.13 is: 2,562.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.20 : 6,457.80 = 1,708.13 : x
  2. Step 2: Convert to fraction form
    4,305.20/6,457.80 = 1,708.13/x
  3. Step 3: Cross multiply
    4,305.20x = 6,457.80 × 1,708.13
  4. Step 4: Simplify right side
    4,305.20x = 11,030,729.63
  5. Step 5: Solve for x
    x = 11,030,729.63/4,305.20
  6. Step 6: Final answer
    x = 2,562.19

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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.