Home / 4,352.20-6,528.03-1,390.57

Finding the Fourth Proportional to 4,352.20, 6,528.03 and 1,390.57

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Solution

The fourth proportional to 4,352.20, 6,528.03 and 1,390.57 is: 2,085.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,352.20 : 6,528.03 = 1,390.57 : x
  2. Step 2: Convert to fraction form
    4,352.20/6,528.03 = 1,390.57/x
  3. Step 3: Cross multiply
    4,352.20x = 6,528.03 × 1,390.57
  4. Step 4: Simplify right side
    4,352.20x = 9,077,682.68
  5. Step 5: Solve for x
    x = 9,077,682.68/4,352.20
  6. Step 6: Final answer
    x = 2,085.77

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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.