Home / 5,448.85-7,520.77-3,209.91

Finding the Fourth Proportional to 5,448.85, 7,520.77 and 3,209.91

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Solution

The fourth proportional to 5,448.85, 7,520.77 and 3,209.91 is: 4,430.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.85 : 7,520.77 = 3,209.91 : x
  2. Step 2: Convert to fraction form
    5,448.85/7,520.77 = 3,209.91/x
  3. Step 3: Cross multiply
    5,448.85x = 7,520.77 × 3,209.91
  4. Step 4: Simplify right side
    5,448.85x = 24,140,994.83
  5. Step 5: Solve for x
    x = 24,140,994.83/5,448.85
  6. Step 6: Final answer
    x = 4,430.48

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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.