Home / 4,808.72-7,216.32-1,886.68

Finding the Fourth Proportional to 4,808.72, 7,216.32 and 1,886.68

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Solution

The fourth proportional to 4,808.72, 7,216.32 and 1,886.68 is: 2,831.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,808.72 : 7,216.32 = 1,886.68 : x
  2. Step 2: Convert to fraction form
    4,808.72/7,216.32 = 1,886.68/x
  3. Step 3: Cross multiply
    4,808.72x = 7,216.32 × 1,886.68
  4. Step 4: Simplify right side
    4,808.72x = 13,614,886.62
  5. Step 5: Solve for x
    x = 13,614,886.62/4,808.72
  6. Step 6: Final answer
    x = 2,831.29

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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.