Home / 6,902.51-10,345.66-3,617.15

Finding the Fourth Proportional to 6,902.51, 10,345.66 and 3,617.15

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Solution

The fourth proportional to 6,902.51, 10,345.66 and 3,617.15 is: 5,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,902.51 : 10,345.66 = 3,617.15 : x
  2. Step 2: Convert to fraction form
    6,902.51/10,345.66 = 3,617.15/x
  3. Step 3: Cross multiply
    6,902.51x = 10,345.66 × 3,617.15
  4. Step 4: Simplify right side
    6,902.51x = 37,421,734.25
  5. Step 5: Solve for x
    x = 37,421,734.25/6,902.51
  6. Step 6: Final answer
    x = 5,421.47

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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.