Home / 5,381.04-8,071.80-1,683.35

Finding the Fourth Proportional to 5,381.04, 8,071.80 and 1,683.35

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Solution

The fourth proportional to 5,381.04, 8,071.80 and 1,683.35 is: 2,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,381.04 : 8,071.80 = 1,683.35 : x
  2. Step 2: Convert to fraction form
    5,381.04/8,071.80 = 1,683.35/x
  3. Step 3: Cross multiply
    5,381.04x = 8,071.80 × 1,683.35
  4. Step 4: Simplify right side
    5,381.04x = 13,587,624.17
  5. Step 5: Solve for x
    x = 13,587,624.17/5,381.04
  6. Step 6: Final answer
    x = 2,525.09

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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.