Home / 9,816.86-14,725.29-3,977.57

Finding the Fourth Proportional to 9,816.86, 14,725.29 and 3,977.57

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Solution

The fourth proportional to 9,816.86, 14,725.29 and 3,977.57 is: 5,966.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,816.86 : 14,725.29 = 3,977.57 : x
  2. Step 2: Convert to fraction form
    9,816.86/14,725.29 = 3,977.57/x
  3. Step 3: Cross multiply
    9,816.86x = 14,725.29 × 3,977.57
  4. Step 4: Simplify right side
    9,816.86x = 58,570,798.12
  5. Step 5: Solve for x
    x = 58,570,798.12/9,816.86
  6. Step 6: Final answer
    x = 5,966.35

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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.