Home / 7,280.60-10,911.45-3,376.70

Finding the Fourth Proportional to 7,280.60, 10,911.45 and 3,376.70

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Solution

The fourth proportional to 7,280.60, 10,911.45 and 3,376.70 is: 5,060.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.60 : 10,911.45 = 3,376.70 : x
  2. Step 2: Convert to fraction form
    7,280.60/10,911.45 = 3,376.70/x
  3. Step 3: Cross multiply
    7,280.60x = 10,911.45 × 3,376.70
  4. Step 4: Simplify right side
    7,280.60x = 36,844,693.22
  5. Step 5: Solve for x
    x = 36,844,693.22/7,280.60
  6. Step 6: Final answer
    x = 5,060.67

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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.