Home / 9,345.17-14,017.79-2,771.42

Finding the Fourth Proportional to 9,345.17, 14,017.79 and 2,771.42

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Solution

The fourth proportional to 9,345.17, 14,017.79 and 2,771.42 is: 4,157.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,345.17 : 14,017.79 = 2,771.42 : x
  2. Step 2: Convert to fraction form
    9,345.17/14,017.79 = 2,771.42/x
  3. Step 3: Cross multiply
    9,345.17x = 14,017.79 × 2,771.42
  4. Step 4: Simplify right side
    9,345.17x = 38,849,120.40
  5. Step 5: Solve for x
    x = 38,849,120.40/9,345.17
  6. Step 6: Final answer
    x = 4,157.13

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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.