Home / 5,186.30-7,157.27-2,948.09

Finding the Fourth Proportional to 5,186.30, 7,157.27 and 2,948.09

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Solution

The fourth proportional to 5,186.30, 7,157.27 and 2,948.09 is: 4,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186.30 : 7,157.27 = 2,948.09 : x
  2. Step 2: Convert to fraction form
    5,186.30/7,157.27 = 2,948.09/x
  3. Step 3: Cross multiply
    5,186.30x = 7,157.27 × 2,948.09
  4. Step 4: Simplify right side
    5,186.30x = 21,100,225.59
  5. Step 5: Solve for x
    x = 21,100,225.59/5,186.30
  6. Step 6: Final answer
    x = 4,068.46

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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.