Home / 7,750.51-11,615.36-4,235.25

Finding the Fourth Proportional to 7,750.51, 11,615.36 and 4,235.25

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Solution

The fourth proportional to 7,750.51, 11,615.36 and 4,235.25 is: 6,347.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,750.51 : 11,615.36 = 4,235.25 : x
  2. Step 2: Convert to fraction form
    7,750.51/11,615.36 = 4,235.25/x
  3. Step 3: Cross multiply
    7,750.51x = 11,615.36 × 4,235.25
  4. Step 4: Simplify right side
    7,750.51x = 49,193,975.82
  5. Step 5: Solve for x
    x = 49,193,975.82/7,750.51
  6. Step 6: Final answer
    x = 6,347.19

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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.