Home / 7,529.00-10,389.60-4,171.77

Finding the Fourth Proportional to 7,529.00, 10,389.60 and 4,171.77

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Solution

The fourth proportional to 7,529.00, 10,389.60 and 4,171.77 is: 5,756.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,529.00 : 10,389.60 = 4,171.77 : x
  2. Step 2: Convert to fraction form
    7,529.00/10,389.60 = 4,171.77/x
  3. Step 3: Cross multiply
    7,529.00x = 10,389.60 × 4,171.77
  4. Step 4: Simplify right side
    7,529.00x = 43,343,021.59
  5. Step 5: Solve for x
    x = 43,343,021.59/7,529.00
  6. Step 6: Final answer
    x = 5,756.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.