Home / 7,860.71-10,847.19-4,324.15

Finding the Fourth Proportional to 7,860.71, 10,847.19 and 4,324.15

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Solution

The fourth proportional to 7,860.71, 10,847.19 and 4,324.15 is: 5,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.71 : 10,847.19 = 4,324.15 : x
  2. Step 2: Convert to fraction form
    7,860.71/10,847.19 = 4,324.15/x
  3. Step 3: Cross multiply
    7,860.71x = 10,847.19 × 4,324.15
  4. Step 4: Simplify right side
    7,860.71x = 46,904,894.25
  5. Step 5: Solve for x
    x = 46,904,894.25/7,860.71
  6. Step 6: Final answer
    x = 5,967.00

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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.