Home / 6,880.48-10,321.53-5,160.04

Finding the Fourth Proportional to 6,880.48, 10,321.53 and 5,160.04

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Solution

The fourth proportional to 6,880.48, 10,321.53 and 5,160.04 is: 7,740.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.48 : 10,321.53 = 5,160.04 : x
  2. Step 2: Convert to fraction form
    6,880.48/10,321.53 = 5,160.04/x
  3. Step 3: Cross multiply
    6,880.48x = 10,321.53 × 5,160.04
  4. Step 4: Simplify right side
    6,880.48x = 53,259,507.66
  5. Step 5: Solve for x
    x = 53,259,507.66/6,880.48
  6. Step 6: Final answer
    x = 7,740.67

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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.