Home / 7,041.94-9,717.98-3,898.13

Finding the Fourth Proportional to 7,041.94, 9,717.98 and 3,898.13

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Solution

The fourth proportional to 7,041.94, 9,717.98 and 3,898.13 is: 5,379.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.94 : 9,717.98 = 3,898.13 : x
  2. Step 2: Convert to fraction form
    7,041.94/9,717.98 = 3,898.13/x
  3. Step 3: Cross multiply
    7,041.94x = 9,717.98 × 3,898.13
  4. Step 4: Simplify right side
    7,041.94x = 37,881,881.30
  5. Step 5: Solve for x
    x = 37,881,881.30/7,041.94
  6. Step 6: Final answer
    x = 5,379.47

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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.