Home / 7,117.04-9,821.34-4,132.79

Finding the Fourth Proportional to 7,117.04, 9,821.34 and 4,132.79

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Solution

The fourth proportional to 7,117.04, 9,821.34 and 4,132.79 is: 5,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.04 : 9,821.34 = 4,132.79 : x
  2. Step 2: Convert to fraction form
    7,117.04/9,821.34 = 4,132.79/x
  3. Step 3: Cross multiply
    7,117.04x = 9,821.34 × 4,132.79
  4. Step 4: Simplify right side
    7,117.04x = 40,589,486.63
  5. Step 5: Solve for x
    x = 40,589,486.63/7,117.04
  6. Step 6: Final answer
    x = 5,703.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.