Home / 7,125.77-10,688.84-3,376.67

Finding the Fourth Proportional to 7,125.77, 10,688.84 and 3,376.67

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Solution

The fourth proportional to 7,125.77, 10,688.84 and 3,376.67 is: 5,065.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.77 : 10,688.84 = 3,376.67 : x
  2. Step 2: Convert to fraction form
    7,125.77/10,688.84 = 3,376.67/x
  3. Step 3: Cross multiply
    7,125.77x = 10,688.84 × 3,376.67
  4. Step 4: Simplify right side
    7,125.77x = 36,092,615.04
  5. Step 5: Solve for x
    x = 36,092,615.04/7,125.77
  6. Step 6: Final answer
    x = 5,065.09

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Similar ratio
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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.