Home / 7,277.50-10,040.43-4,090.36

Finding the Fourth Proportional to 7,277.50, 10,040.43 and 4,090.36

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Solution

The fourth proportional to 7,277.50, 10,040.43 and 4,090.36 is: 5,643.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277.50 : 10,040.43 = 4,090.36 : x
  2. Step 2: Convert to fraction form
    7,277.50/10,040.43 = 4,090.36/x
  3. Step 3: Cross multiply
    7,277.50x = 10,040.43 × 4,090.36
  4. Step 4: Simplify right side
    7,277.50x = 41,068,973.25
  5. Step 5: Solve for x
    x = 41,068,973.25/7,277.50
  6. Step 6: Final answer
    x = 5,643.28

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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.