Home / 6,645.60-9,134.28-5,855.04

Finding the Fourth Proportional to 6,645.60, 9,134.28 and 5,855.04

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Solution

The fourth proportional to 6,645.60, 9,134.28 and 5,855.04 is: 8,047.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.60 : 9,134.28 = 5,855.04 : x
  2. Step 2: Convert to fraction form
    6,645.60/9,134.28 = 5,855.04/x
  3. Step 3: Cross multiply
    6,645.60x = 9,134.28 × 5,855.04
  4. Step 4: Simplify right side
    6,645.60x = 53,481,574.77
  5. Step 5: Solve for x
    x = 53,481,574.77/6,645.60
  6. Step 6: Final answer
    x = 8,047.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.