Home / 9,851.28-14,779.25-2,831.12

Finding the Fourth Proportional to 9,851.28, 14,779.25 and 2,831.12

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Solution

The fourth proportional to 9,851.28, 14,779.25 and 2,831.12 is: 4,247.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,851.28 : 14,779.25 = 2,831.12 : x
  2. Step 2: Convert to fraction form
    9,851.28/14,779.25 = 2,831.12/x
  3. Step 3: Cross multiply
    9,851.28x = 14,779.25 × 2,831.12
  4. Step 4: Simplify right side
    9,851.28x = 41,841,863.67
  5. Step 5: Solve for x
    x = 41,841,863.67/9,851.28
  6. Step 6: Final answer
    x = 4,247.35

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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.