Home / 7,322.76-10,100.34-6,211.08

Finding the Fourth Proportional to 7,322.76, 10,100.34 and 6,211.08

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Solution

The fourth proportional to 7,322.76, 10,100.34 and 6,211.08 is: 8,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,322.76 : 10,100.34 = 6,211.08 : x
  2. Step 2: Convert to fraction form
    7,322.76/10,100.34 = 6,211.08/x
  3. Step 3: Cross multiply
    7,322.76x = 10,100.34 × 6,211.08
  4. Step 4: Simplify right side
    7,322.76x = 62,734,019.77
  5. Step 5: Solve for x
    x = 62,734,019.77/7,322.76
  6. Step 6: Final answer
    x = 8,566.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.