Home / 9,830.30-14,745.36-3,985.52

Finding the Fourth Proportional to 9,830.30, 14,745.36 and 3,985.52

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Solution

The fourth proportional to 9,830.30, 14,745.36 and 3,985.52 is: 5,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.30 : 14,745.36 = 3,985.52 : x
  2. Step 2: Convert to fraction form
    9,830.30/14,745.36 = 3,985.52/x
  3. Step 3: Cross multiply
    9,830.30x = 14,745.36 × 3,985.52
  4. Step 4: Simplify right side
    9,830.30x = 58,767,979.00
  5. Step 5: Solve for x
    x = 58,767,979.00/9,830.30
  6. Step 6: Final answer
    x = 5,978.25

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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.