Home / 9,977.91-14,966.97-4,782.57

Finding the Fourth Proportional to 9,977.91, 14,966.97 and 4,782.57

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Solution

The fourth proportional to 9,977.91, 14,966.97 and 4,782.57 is: 7,173.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.91 : 14,966.97 = 4,782.57 : x
  2. Step 2: Convert to fraction form
    9,977.91/14,966.97 = 4,782.57/x
  3. Step 3: Cross multiply
    9,977.91x = 14,966.97 × 4,782.57
  4. Step 4: Simplify right side
    9,977.91x = 71,580,581.71
  5. Step 5: Solve for x
    x = 71,580,581.71/9,977.91
  6. Step 6: Final answer
    x = 7,173.91

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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.