Home / 5,330.21-7,988.63-4,102.25

Finding the Fourth Proportional to 5,330.21, 7,988.63 and 4,102.25

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Solution

The fourth proportional to 5,330.21, 7,988.63 and 4,102.25 is: 6,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.21 : 7,988.63 = 4,102.25 : x
  2. Step 2: Convert to fraction form
    5,330.21/7,988.63 = 4,102.25/x
  3. Step 3: Cross multiply
    5,330.21x = 7,988.63 × 4,102.25
  4. Step 4: Simplify right side
    5,330.21x = 32,771,296.96
  5. Step 5: Solve for x
    x = 32,771,296.96/5,330.21
  6. Step 6: Final answer
    x = 6,148.22

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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.