Home / 6,986.57-10,477.63-2,305.70

Finding the Fourth Proportional to 6,986.57, 10,477.63 and 2,305.70

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Solution

The fourth proportional to 6,986.57, 10,477.63 and 2,305.70 is: 3,457.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,986.57 : 10,477.63 = 2,305.70 : x
  2. Step 2: Convert to fraction form
    6,986.57/10,477.63 = 2,305.70/x
  3. Step 3: Cross multiply
    6,986.57x = 10,477.63 × 2,305.70
  4. Step 4: Simplify right side
    6,986.57x = 24,158,311.57
  5. Step 5: Solve for x
    x = 24,158,311.57/6,986.57
  6. Step 6: Final answer
    x = 3,457.82

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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.