Home / 7,477.25-11,203.90-5,720.13

Finding the Fourth Proportional to 7,477.25, 11,203.90 and 5,720.13

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Solution

The fourth proportional to 7,477.25, 11,203.90 and 5,720.13 is: 8,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,477.25 : 11,203.90 = 5,720.13 : x
  2. Step 2: Convert to fraction form
    7,477.25/11,203.90 = 5,720.13/x
  3. Step 3: Cross multiply
    7,477.25x = 11,203.90 × 5,720.13
  4. Step 4: Simplify right side
    7,477.25x = 64,087,764.51
  5. Step 5: Solve for x
    x = 64,087,764.51/7,477.25
  6. Step 6: Final answer
    x = 8,571.03

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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.