Home / 7,723.77-11,557.98-6,687.35

Finding the Fourth Proportional to 7,723.77, 11,557.98 and 6,687.35

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Solution

The fourth proportional to 7,723.77, 11,557.98 and 6,687.35 is: 10,007.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.77 : 11,557.98 = 6,687.35 : x
  2. Step 2: Convert to fraction form
    7,723.77/11,557.98 = 6,687.35/x
  3. Step 3: Cross multiply
    7,723.77x = 11,557.98 × 6,687.35
  4. Step 4: Simplify right side
    7,723.77x = 77,292,199.76
  5. Step 5: Solve for x
    x = 77,292,199.76/7,723.77
  6. Step 6: Final answer
    x = 10,007.06

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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.