Home / 5,351.55-7,385.37-3,307.91

Finding the Fourth Proportional to 5,351.55, 7,385.37 and 3,307.91

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Solution

The fourth proportional to 5,351.55, 7,385.37 and 3,307.91 is: 4,565.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.55 : 7,385.37 = 3,307.91 : x
  2. Step 2: Convert to fraction form
    5,351.55/7,385.37 = 3,307.91/x
  3. Step 3: Cross multiply
    5,351.55x = 7,385.37 × 3,307.91
  4. Step 4: Simplify right side
    5,351.55x = 24,430,102.35
  5. Step 5: Solve for x
    x = 24,430,102.35/5,351.55
  6. Step 6: Final answer
    x = 4,565.05

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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.