Home / 5,381.17-8,071.76-1,485.58

Finding the Fourth Proportional to 5,381.17, 8,071.76 and 1,485.58

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Solution

The fourth proportional to 5,381.17, 8,071.76 and 1,485.58 is: 2,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.17 : 8,071.76 = 1,485.58 : x
  2. Step 2: Convert to fraction form
    5,381.17/8,071.76 = 1,485.58/x
  3. Step 3: Cross multiply
    5,381.17x = 8,071.76 × 1,485.58
  4. Step 4: Simplify right side
    5,381.17x = 11,991,245.22
  5. Step 5: Solve for x
    x = 11,991,245.22/5,381.17
  6. Step 6: Final answer
    x = 2,228.37

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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.