Home / 6,501.45-9,753.71-2,118.91

Finding the Fourth Proportional to 6,501.45, 9,753.71 and 2,118.91

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Solution

The fourth proportional to 6,501.45, 9,753.71 and 2,118.91 is: 3,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.45 : 9,753.71 = 2,118.91 : x
  2. Step 2: Convert to fraction form
    6,501.45/9,753.71 = 2,118.91/x
  3. Step 3: Cross multiply
    6,501.45x = 9,753.71 × 2,118.91
  4. Step 4: Simplify right side
    6,501.45x = 20,667,214.57
  5. Step 5: Solve for x
    x = 20,667,214.57/6,501.45
  6. Step 6: Final answer
    x = 3,178.86

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1.5x scale

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.