Home / 6,988.33-10,485.57-2,831.32

Finding the Fourth Proportional to 6,988.33, 10,485.57 and 2,831.32

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Solution

The fourth proportional to 6,988.33, 10,485.57 and 2,831.32 is: 4,248.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,988.33 : 10,485.57 = 2,831.32 : x
  2. Step 2: Convert to fraction form
    6,988.33/10,485.57 = 2,831.32/x
  3. Step 3: Cross multiply
    6,988.33x = 10,485.57 × 2,831.32
  4. Step 4: Simplify right side
    6,988.33x = 29,688,004.05
  5. Step 5: Solve for x
    x = 29,688,004.05/6,988.33
  6. Step 6: Final answer
    x = 4,248.23

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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.