Home / 5,389.05-8,080.08-2,102.48

Finding the Fourth Proportional to 5,389.05, 8,080.08 and 2,102.48

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Solution

The fourth proportional to 5,389.05, 8,080.08 and 2,102.48 is: 3,152.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.05 : 8,080.08 = 2,102.48 : x
  2. Step 2: Convert to fraction form
    5,389.05/8,080.08 = 2,102.48/x
  3. Step 3: Cross multiply
    5,389.05x = 8,080.08 × 2,102.48
  4. Step 4: Simplify right side
    5,389.05x = 16,988,166.20
  5. Step 5: Solve for x
    x = 16,988,166.20/5,389.05
  6. Step 6: Final answer
    x = 3,152.35

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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.