Home / 7,012.04-10,518.62-4,090.64

Finding the Fourth Proportional to 7,012.04, 10,518.62 and 4,090.64

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Solution

The fourth proportional to 7,012.04, 10,518.62 and 4,090.64 is: 6,136.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,012.04 : 10,518.62 = 4,090.64 : x
  2. Step 2: Convert to fraction form
    7,012.04/10,518.62 = 4,090.64/x
  3. Step 3: Cross multiply
    7,012.04x = 10,518.62 × 4,090.64
  4. Step 4: Simplify right side
    7,012.04x = 43,027,887.72
  5. Step 5: Solve for x
    x = 43,027,887.72/7,012.04
  6. Step 6: Final answer
    x = 6,136.29

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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.