Home / 7,421.40-10,241.56-4,277.58

Finding the Fourth Proportional to 7,421.40, 10,241.56 and 4,277.58

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Solution

The fourth proportional to 7,421.40, 10,241.56 and 4,277.58 is: 5,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.40 : 10,241.56 = 4,277.58 : x
  2. Step 2: Convert to fraction form
    7,421.40/10,241.56 = 4,277.58/x
  3. Step 3: Cross multiply
    7,421.40x = 10,241.56 × 4,277.58
  4. Step 4: Simplify right side
    7,421.40x = 43,809,092.22
  5. Step 5: Solve for x
    x = 43,809,092.22/7,421.40
  6. Step 6: Final answer
    x = 5,903.08

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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.