Home / 7,399.30-10,210.74-4,213.03

Finding the Fourth Proportional to 7,399.30, 10,210.74 and 4,213.03

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Solution

The fourth proportional to 7,399.30, 10,210.74 and 4,213.03 is: 5,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,399.30 : 10,210.74 = 4,213.03 : x
  2. Step 2: Convert to fraction form
    7,399.30/10,210.74 = 4,213.03/x
  3. Step 3: Cross multiply
    7,399.30x = 10,210.74 × 4,213.03
  4. Step 4: Simplify right side
    7,399.30x = 43,018,153.94
  5. Step 5: Solve for x
    x = 43,018,153.94/7,399.30
  6. Step 6: Final answer
    x = 5,813.81

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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.