Home / 6,078.31-9,117.36-1,695.80

Finding the Fourth Proportional to 6,078.31, 9,117.36 and 1,695.80

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Solution

The fourth proportional to 6,078.31, 9,117.36 and 1,695.80 is: 2,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,078.31 : 9,117.36 = 1,695.80 : x
  2. Step 2: Convert to fraction form
    6,078.31/9,117.36 = 1,695.80/x
  3. Step 3: Cross multiply
    6,078.31x = 9,117.36 × 1,695.80
  4. Step 4: Simplify right side
    6,078.31x = 15,461,241.88
  5. Step 5: Solve for x
    x = 15,461,241.88/6,078.31
  6. Step 6: Final answer
    x = 2,543.68

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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.