Home / 6,509.91-9,763.85-2,127.35

Finding the Fourth Proportional to 6,509.91, 9,763.85 and 2,127.35

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Solution

The fourth proportional to 6,509.91, 9,763.85 and 2,127.35 is: 3,190.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.91 : 9,763.85 = 2,127.35 : x
  2. Step 2: Convert to fraction form
    6,509.91/9,763.85 = 2,127.35/x
  3. Step 3: Cross multiply
    6,509.91x = 9,763.85 × 2,127.35
  4. Step 4: Simplify right side
    6,509.91x = 20,771,066.84
  5. Step 5: Solve for x
    x = 20,771,066.84/6,509.91
  6. Step 6: Final answer
    x = 3,190.68

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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.