Home / 6,060.40-9,114.90-5,428.60

Finding the Fourth Proportional to 6,060.40, 9,114.90 and 5,428.60

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Solution

The fourth proportional to 6,060.40, 9,114.90 and 5,428.60 is: 8,164.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,060.40 : 9,114.90 = 5,428.60 : x
  2. Step 2: Convert to fraction form
    6,060.40/9,114.90 = 5,428.60/x
  3. Step 3: Cross multiply
    6,060.40x = 9,114.90 × 5,428.60
  4. Step 4: Simplify right side
    6,060.40x = 49,481,146.14
  5. Step 5: Solve for x
    x = 49,481,146.14/6,060.40
  6. Step 6: Final answer
    x = 8,164.67

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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.