Home / 6,457.05-9,686.52-2,759.25

Finding the Fourth Proportional to 6,457.05, 9,686.52 and 2,759.25

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Solution

The fourth proportional to 6,457.05, 9,686.52 and 2,759.25 is: 4,139.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,457.05 : 9,686.52 = 2,759.25 : x
  2. Step 2: Convert to fraction form
    6,457.05/9,686.52 = 2,759.25/x
  3. Step 3: Cross multiply
    6,457.05x = 9,686.52 × 2,759.25
  4. Step 4: Simplify right side
    6,457.05x = 26,727,530.31
  5. Step 5: Solve for x
    x = 26,727,530.31/6,457.05
  6. Step 6: Final answer
    x = 4,139.28

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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.