Home / 7,019.25-10,531.95-3,324.12

Finding the Fourth Proportional to 7,019.25, 10,531.95 and 3,324.12

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Solution

The fourth proportional to 7,019.25, 10,531.95 and 3,324.12 is: 4,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,019.25 : 10,531.95 = 3,324.12 : x
  2. Step 2: Convert to fraction form
    7,019.25/10,531.95 = 3,324.12/x
  3. Step 3: Cross multiply
    7,019.25x = 10,531.95 × 3,324.12
  4. Step 4: Simplify right side
    7,019.25x = 35,009,465.63
  5. Step 5: Solve for x
    x = 35,009,465.63/7,019.25
  6. Step 6: Final answer
    x = 4,987.64

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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.