Home / 7,021.26-10,529.64-3,902.76

Finding the Fourth Proportional to 7,021.26, 10,529.64 and 3,902.76

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Solution

The fourth proportional to 7,021.26, 10,529.64 and 3,902.76 is: 5,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.26 : 10,529.64 = 3,902.76 : x
  2. Step 2: Convert to fraction form
    7,021.26/10,529.64 = 3,902.76/x
  3. Step 3: Cross multiply
    7,021.26x = 10,529.64 × 3,902.76
  4. Step 4: Simplify right side
    7,021.26x = 41,094,657.81
  5. Step 5: Solve for x
    x = 41,094,657.81/7,021.26
  6. Step 6: Final answer
    x = 5,852.89

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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.