Home / 7,603.08-11,405.34-2,985

Finding the Fourth Proportional to 7,603.08, 11,405.34 and 2,985

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Solution

The fourth proportional to 7,603.08, 11,405.34 and 2,985 is: 4,477.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,603.08 : 11,405.34 = 2,985 : x
  2. Step 2: Convert to fraction form
    7,603.08/11,405.34 = 2,985/x
  3. Step 3: Cross multiply
    7,603.08x = 11,405.34 × 2,985
  4. Step 4: Simplify right side
    7,603.08x = 34,044,939.90
  5. Step 5: Solve for x
    x = 34,044,939.90/7,603.08
  6. Step 6: Final answer
    x = 4,477.78

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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.