Home / 5,415.01-7,477.92-4,223.30

Finding the Fourth Proportional to 5,415.01, 7,477.92 and 4,223.30

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Solution

The fourth proportional to 5,415.01, 7,477.92 and 4,223.30 is: 5,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.01 : 7,477.92 = 4,223.30 : x
  2. Step 2: Convert to fraction form
    5,415.01/7,477.92 = 4,223.30/x
  3. Step 3: Cross multiply
    5,415.01x = 7,477.92 × 4,223.30
  4. Step 4: Simplify right side
    5,415.01x = 31,581,462.15
  5. Step 5: Solve for x
    x = 31,581,462.15/5,415.01
  6. Step 6: Final answer
    x = 5,832.21

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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.