Home / 9,976.48-14,966.64-3,820

Finding the Fourth Proportional to 9,976.48, 14,966.64 and 3,820

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Solution

The fourth proportional to 9,976.48, 14,966.64 and 3,820 is: 5,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,976.48 : 14,966.64 = 3,820 : x
  2. Step 2: Convert to fraction form
    9,976.48/14,966.64 = 3,820/x
  3. Step 3: Cross multiply
    9,976.48x = 14,966.64 × 3,820
  4. Step 4: Simplify right side
    9,976.48x = 57,172,564.80
  5. Step 5: Solve for x
    x = 57,172,564.80/9,976.48
  6. Step 6: Final answer
    x = 5,730.74

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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.