Home / 5,918-8,166.84-3,434.48

Finding the Fourth Proportional to 5,918, 8,166.84 and 3,434.48

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Solution

The fourth proportional to 5,918, 8,166.84 and 3,434.48 is: 4,739.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918 : 8,166.84 = 3,434.48 : x
  2. Step 2: Convert to fraction form
    5,918/8,166.84 = 3,434.48/x
  3. Step 3: Cross multiply
    5,918x = 8,166.84 × 3,434.48
  4. Step 4: Simplify right side
    5,918x = 28,048,848.64
  5. Step 5: Solve for x
    x = 28,048,848.64/5,918
  6. Step 6: Final answer
    x = 4,739.58

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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.