Home / 7,988.02-11,023.54-4,403.11

Finding the Fourth Proportional to 7,988.02, 11,023.54 and 4,403.11

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Solution

The fourth proportional to 7,988.02, 11,023.54 and 4,403.11 is: 6,076.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.02 : 11,023.54 = 4,403.11 : x
  2. Step 2: Convert to fraction form
    7,988.02/11,023.54 = 4,403.11/x
  3. Step 3: Cross multiply
    7,988.02x = 11,023.54 × 4,403.11
  4. Step 4: Simplify right side
    7,988.02x = 48,537,831.65
  5. Step 5: Solve for x
    x = 48,537,831.65/7,988.02
  6. Step 6: Final answer
    x = 6,076.33

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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.