Home / 8,740.98-13,117.39-3,807.77

Finding the Fourth Proportional to 8,740.98, 13,117.39 and 3,807.77

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Solution

The fourth proportional to 8,740.98, 13,117.39 and 3,807.77 is: 5,714.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.98 : 13,117.39 = 3,807.77 : x
  2. Step 2: Convert to fraction form
    8,740.98/13,117.39 = 3,807.77/x
  3. Step 3: Cross multiply
    8,740.98x = 13,117.39 × 3,807.77
  4. Step 4: Simplify right side
    8,740.98x = 49,947,929.01
  5. Step 5: Solve for x
    x = 49,947,929.01/8,740.98
  6. Step 6: Final answer
    x = 5,714.23

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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.