Home / 7,090.75-10,617.55-4,999.43

Finding the Fourth Proportional to 7,090.75, 10,617.55 and 4,999.43

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Solution

The fourth proportional to 7,090.75, 10,617.55 and 4,999.43 is: 7,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.75 : 10,617.55 = 4,999.43 : x
  2. Step 2: Convert to fraction form
    7,090.75/10,617.55 = 4,999.43/x
  3. Step 3: Cross multiply
    7,090.75x = 10,617.55 × 4,999.43
  4. Step 4: Simplify right side
    7,090.75x = 53,081,712.04
  5. Step 5: Solve for x
    x = 53,081,712.04/7,090.75
  6. Step 6: Final answer
    x = 7,486.05

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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.