Home / 7,838.10-11,756.52-2,291.49

Finding the Fourth Proportional to 7,838.10, 11,756.52 and 2,291.49

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Solution

The fourth proportional to 7,838.10, 11,756.52 and 2,291.49 is: 3,437.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838.10 : 11,756.52 = 2,291.49 : x
  2. Step 2: Convert to fraction form
    7,838.10/11,756.52 = 2,291.49/x
  3. Step 3: Cross multiply
    7,838.10x = 11,756.52 × 2,291.49
  4. Step 4: Simplify right side
    7,838.10x = 26,939,948.01
  5. Step 5: Solve for x
    x = 26,939,948.01/7,838.10
  6. Step 6: Final answer
    x = 3,437.05

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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.