Home / 5,423.58-7,484.63-3,185.51

Finding the Fourth Proportional to 5,423.58, 7,484.63 and 3,185.51

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Solution

The fourth proportional to 5,423.58, 7,484.63 and 3,185.51 is: 4,396.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.58 : 7,484.63 = 3,185.51 : x
  2. Step 2: Convert to fraction form
    5,423.58/7,484.63 = 3,185.51/x
  3. Step 3: Cross multiply
    5,423.58x = 7,484.63 × 3,185.51
  4. Step 4: Simplify right side
    5,423.58x = 23,842,310.36
  5. Step 5: Solve for x
    x = 23,842,310.36/5,423.58
  6. Step 6: Final answer
    x = 4,396.05

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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.