Home / 3,693.27-5,533.80-3,312.15

Finding the Fourth Proportional to 3,693.27, 5,533.80 and 3,312.15

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Solution

The fourth proportional to 3,693.27, 5,533.80 and 3,312.15 is: 4,962.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,693.27 : 5,533.80 = 3,312.15 : x
  2. Step 2: Convert to fraction form
    3,693.27/5,533.80 = 3,312.15/x
  3. Step 3: Cross multiply
    3,693.27x = 5,533.80 × 3,312.15
  4. Step 4: Simplify right side
    3,693.27x = 18,328,775.67
  5. Step 5: Solve for x
    x = 18,328,775.67/3,693.27
  6. Step 6: Final answer
    x = 4,962.75

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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.