Home / 6,860.15-9,467.44-4,207.19

Finding the Fourth Proportional to 6,860.15, 9,467.44 and 4,207.19

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Solution

The fourth proportional to 6,860.15, 9,467.44 and 4,207.19 is: 5,806.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.15 : 9,467.44 = 4,207.19 : x
  2. Step 2: Convert to fraction form
    6,860.15/9,467.44 = 4,207.19/x
  3. Step 3: Cross multiply
    6,860.15x = 9,467.44 × 4,207.19
  4. Step 4: Simplify right side
    6,860.15x = 39,831,332.04
  5. Step 5: Solve for x
    x = 39,831,332.04/6,860.15
  6. Step 6: Final answer
    x = 5,806.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.