Home / 5,386.10-8,080.32-4,841.78

Finding the Fourth Proportional to 5,386.10, 8,080.32 and 4,841.78

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Solution

The fourth proportional to 5,386.10, 8,080.32 and 4,841.78 is: 7,263.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.10 : 8,080.32 = 4,841.78 : x
  2. Step 2: Convert to fraction form
    5,386.10/8,080.32 = 4,841.78/x
  3. Step 3: Cross multiply
    5,386.10x = 8,080.32 × 4,841.78
  4. Step 4: Simplify right side
    5,386.10x = 39,123,131.77
  5. Step 5: Solve for x
    x = 39,123,131.77/5,386.10
  6. Step 6: Final answer
    x = 7,263.72

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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.