Home / 5,381.08-8,071.41-1,485.39

Finding the Fourth Proportional to 5,381.08, 8,071.41 and 1,485.39

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Solution

The fourth proportional to 5,381.08, 8,071.41 and 1,485.39 is: 2,228.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.08 : 8,071.41 = 1,485.39 : x
  2. Step 2: Convert to fraction form
    5,381.08/8,071.41 = 1,485.39/x
  3. Step 3: Cross multiply
    5,381.08x = 8,071.41 × 1,485.39
  4. Step 4: Simplify right side
    5,381.08x = 11,989,151.34
  5. Step 5: Solve for x
    x = 11,989,151.34/5,381.08
  6. Step 6: Final answer
    x = 2,228.02

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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.