Home / 4,507.90-6,760.11-3,117.02

Finding the Fourth Proportional to 4,507.90, 6,760.11 and 3,117.02

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Solution

The fourth proportional to 4,507.90, 6,760.11 and 3,117.02 is: 4,674.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.90 : 6,760.11 = 3,117.02 : x
  2. Step 2: Convert to fraction form
    4,507.90/6,760.11 = 3,117.02/x
  3. Step 3: Cross multiply
    4,507.90x = 6,760.11 × 3,117.02
  4. Step 4: Simplify right side
    4,507.90x = 21,071,398.07
  5. Step 5: Solve for x
    x = 21,071,398.07/4,507.90
  6. Step 6: Final answer
    x = 4,674.33

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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.