Home / 5,415.24-7,477.26-4,154.30

Finding the Fourth Proportional to 5,415.24, 7,477.26 and 4,154.30

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Solution

The fourth proportional to 5,415.24, 7,477.26 and 4,154.30 is: 5,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,415.24 : 7,477.26 = 4,154.30 : x
  2. Step 2: Convert to fraction form
    5,415.24/7,477.26 = 4,154.30/x
  3. Step 3: Cross multiply
    5,415.24x = 7,477.26 × 4,154.30
  4. Step 4: Simplify right side
    5,415.24x = 31,062,743.83
  5. Step 5: Solve for x
    x = 31,062,743.83/5,415.24
  6. Step 6: Final answer
    x = 5,736.17

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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.