Home / 5,285.12-7,291.35-3,603.83

Finding the Fourth Proportional to 5,285.12, 7,291.35 and 3,603.83

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Solution

The fourth proportional to 5,285.12, 7,291.35 and 3,603.83 is: 4,971.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.12 : 7,291.35 = 3,603.83 : x
  2. Step 2: Convert to fraction form
    5,285.12/7,291.35 = 3,603.83/x
  3. Step 3: Cross multiply
    5,285.12x = 7,291.35 × 3,603.83
  4. Step 4: Simplify right side
    5,285.12x = 26,276,749.41
  5. Step 5: Solve for x
    x = 26,276,749.41/5,285.12
  6. Step 6: Final answer
    x = 4,971.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.