Home / 6,390.57-9,581.81-2,695.35

Finding the Fourth Proportional to 6,390.57, 9,581.81 and 2,695.35

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Solution

The fourth proportional to 6,390.57, 9,581.81 and 2,695.35 is: 4,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.57 : 9,581.81 = 2,695.35 : x
  2. Step 2: Convert to fraction form
    6,390.57/9,581.81 = 2,695.35/x
  3. Step 3: Cross multiply
    6,390.57x = 9,581.81 × 2,695.35
  4. Step 4: Simplify right side
    6,390.57x = 25,826,318.11
  5. Step 5: Solve for x
    x = 25,826,318.11/6,390.57
  6. Step 6: Final answer
    x = 4,041.32

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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.