Home / 5,238.12-7,859.85-3,484.35

Finding the Fourth Proportional to 5,238.12, 7,859.85 and 3,484.35

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Solution

The fourth proportional to 5,238.12, 7,859.85 and 3,484.35 is: 5,228.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.12 : 7,859.85 = 3,484.35 : x
  2. Step 2: Convert to fraction form
    5,238.12/7,859.85 = 3,484.35/x
  3. Step 3: Cross multiply
    5,238.12x = 7,859.85 × 3,484.35
  4. Step 4: Simplify right side
    5,238.12x = 27,386,468.35
  5. Step 5: Solve for x
    x = 27,386,468.35/5,238.12
  6. Step 6: Final answer
    x = 5,228.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.