Home / 7,285.87-10,054.56-4,142.26

Finding the Fourth Proportional to 7,285.87, 10,054.56 and 4,142.26

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Solution

The fourth proportional to 7,285.87, 10,054.56 and 4,142.26 is: 5,716.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.87 : 10,054.56 = 4,142.26 : x
  2. Step 2: Convert to fraction form
    7,285.87/10,054.56 = 4,142.26/x
  3. Step 3: Cross multiply
    7,285.87x = 10,054.56 × 4,142.26
  4. Step 4: Simplify right side
    7,285.87x = 41,648,601.71
  5. Step 5: Solve for x
    x = 41,648,601.71/7,285.87
  6. Step 6: Final answer
    x = 5,716.35

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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.