Home / 5,137.63-7,103.90-5,054.20

Finding the Fourth Proportional to 5,137.63, 7,103.90 and 5,054.20

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Solution

The fourth proportional to 5,137.63, 7,103.90 and 5,054.20 is: 6,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,137.63 : 7,103.90 = 5,054.20 : x
  2. Step 2: Convert to fraction form
    5,137.63/7,103.90 = 5,054.20/x
  3. Step 3: Cross multiply
    5,137.63x = 7,103.90 × 5,054.20
  4. Step 4: Simplify right side
    5,137.63x = 35,904,526.26
  5. Step 5: Solve for x
    x = 35,904,526.26/5,137.63
  6. Step 6: Final answer
    x = 6,988.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.