Home / 5,418.86-7,477.65-3,060.55

Finding the Fourth Proportional to 5,418.86, 7,477.65 and 3,060.55

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Solution

The fourth proportional to 5,418.86, 7,477.65 and 3,060.55 is: 4,223.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,418.86 : 7,477.65 = 3,060.55 : x
  2. Step 2: Convert to fraction form
    5,418.86/7,477.65 = 3,060.55/x
  3. Step 3: Cross multiply
    5,418.86x = 7,477.65 × 3,060.55
  4. Step 4: Simplify right side
    5,418.86x = 22,885,703.01
  5. Step 5: Solve for x
    x = 22,885,703.01/5,418.86
  6. Step 6: Final answer
    x = 4,223.34

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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.