Home / 6,900.66-10,319.19-5,125.07

Finding the Fourth Proportional to 6,900.66, 10,319.19 and 5,125.07

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Solution

The fourth proportional to 6,900.66, 10,319.19 and 5,125.07 is: 7,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,900.66 : 10,319.19 = 5,125.07 : x
  2. Step 2: Convert to fraction form
    6,900.66/10,319.19 = 5,125.07/x
  3. Step 3: Cross multiply
    6,900.66x = 10,319.19 × 5,125.07
  4. Step 4: Simplify right side
    6,900.66x = 52,886,571.09
  5. Step 5: Solve for x
    x = 52,886,571.09/6,900.66
  6. Step 6: Final answer
    x = 7,663.99

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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.