Home / 4,541.87-6,811.19-1,420.94

Finding the Fourth Proportional to 4,541.87, 6,811.19 and 1,420.94

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Solution

The fourth proportional to 4,541.87, 6,811.19 and 1,420.94 is: 2,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,541.87 : 6,811.19 = 1,420.94 : x
  2. Step 2: Convert to fraction form
    4,541.87/6,811.19 = 1,420.94/x
  3. Step 3: Cross multiply
    4,541.87x = 6,811.19 × 1,420.94
  4. Step 4: Simplify right side
    4,541.87x = 9,678,307.57
  5. Step 5: Solve for x
    x = 9,678,307.57/4,541.87
  6. Step 6: Final answer
    x = 2,130.91

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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.