Home / 4,580.19-6,870.87-2,115.54

Finding the Fourth Proportional to 4,580.19, 6,870.87 and 2,115.54

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Solution

The fourth proportional to 4,580.19, 6,870.87 and 2,115.54 is: 3,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.19 : 6,870.87 = 2,115.54 : x
  2. Step 2: Convert to fraction form
    4,580.19/6,870.87 = 2,115.54/x
  3. Step 3: Cross multiply
    4,580.19x = 6,870.87 × 2,115.54
  4. Step 4: Simplify right side
    4,580.19x = 14,535,600.32
  5. Step 5: Solve for x
    x = 14,535,600.32/4,580.19
  6. Step 6: Final answer
    x = 3,173.58

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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.