Home / 7,117.02-9,821.79-4,133.52

Finding the Fourth Proportional to 7,117.02, 9,821.79 and 4,133.52

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Solution

The fourth proportional to 7,117.02, 9,821.79 and 4,133.52 is: 5,704.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.02 : 9,821.79 = 4,133.52 : x
  2. Step 2: Convert to fraction form
    7,117.02/9,821.79 = 4,133.52/x
  3. Step 3: Cross multiply
    7,117.02x = 9,821.79 × 4,133.52
  4. Step 4: Simplify right side
    7,117.02x = 40,598,565.40
  5. Step 5: Solve for x
    x = 40,598,565.40/7,117.02
  6. Step 6: Final answer
    x = 5,704.43

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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.