Home / 6,930.29-10,398.51-3,642.64

Finding the Fourth Proportional to 6,930.29, 10,398.51 and 3,642.64

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Solution

The fourth proportional to 6,930.29, 10,398.51 and 3,642.64 is: 5,465.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,930.29 : 10,398.51 = 3,642.64 : x
  2. Step 2: Convert to fraction form
    6,930.29/10,398.51 = 3,642.64/x
  3. Step 3: Cross multiply
    6,930.29x = 10,398.51 × 3,642.64
  4. Step 4: Simplify right side
    6,930.29x = 37,878,002.47
  5. Step 5: Solve for x
    x = 37,878,002.47/6,930.29
  6. Step 6: Final answer
    x = 5,465.57

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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.