Home / 5,381.01-8,071.56-1,683.81

Finding the Fourth Proportional to 5,381.01, 8,071.56 and 1,683.81

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Solution

The fourth proportional to 5,381.01, 8,071.56 and 1,683.81 is: 2,525.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.01 : 8,071.56 = 1,683.81 : x
  2. Step 2: Convert to fraction form
    5,381.01/8,071.56 = 1,683.81/x
  3. Step 3: Cross multiply
    5,381.01x = 8,071.56 × 1,683.81
  4. Step 4: Simplify right side
    5,381.01x = 13,590,973.44
  5. Step 5: Solve for x
    x = 13,590,973.44/5,381.01
  6. Step 6: Final answer
    x = 2,525.73

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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.