Home / 7,740.84-11,611.12-2,475.81

Finding the Fourth Proportional to 7,740.84, 11,611.12 and 2,475.81

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Solution

The fourth proportional to 7,740.84, 11,611.12 and 2,475.81 is: 3,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.84 : 11,611.12 = 2,475.81 : x
  2. Step 2: Convert to fraction form
    7,740.84/11,611.12 = 2,475.81/x
  3. Step 3: Cross multiply
    7,740.84x = 11,611.12 × 2,475.81
  4. Step 4: Simplify right side
    7,740.84x = 28,746,927.01
  5. Step 5: Solve for x
    x = 28,746,927.01/7,740.84
  6. Step 6: Final answer
    x = 3,713.67

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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.