Home / 7,441.21-10,269.35-4,918.90

Finding the Fourth Proportional to 7,441.21, 10,269.35 and 4,918.90

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Solution

The fourth proportional to 7,441.21, 10,269.35 and 4,918.90 is: 6,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.21 : 10,269.35 = 4,918.90 : x
  2. Step 2: Convert to fraction form
    7,441.21/10,269.35 = 4,918.90/x
  3. Step 3: Cross multiply
    7,441.21x = 10,269.35 × 4,918.90
  4. Step 4: Simplify right side
    7,441.21x = 50,513,829.77
  5. Step 5: Solve for x
    x = 50,513,829.77/7,441.21
  6. Step 6: Final answer
    x = 6,788.39

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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.