Home / 7,285.36-10,054.65-4,142.02

Finding the Fourth Proportional to 7,285.36, 10,054.65 and 4,142.02

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Solution

The fourth proportional to 7,285.36, 10,054.65 and 4,142.02 is: 5,716.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,285.36 : 10,054.65 = 4,142.02 : x
  2. Step 2: Convert to fraction form
    7,285.36/10,054.65 = 4,142.02/x
  3. Step 3: Cross multiply
    7,285.36x = 10,054.65 × 4,142.02
  4. Step 4: Simplify right side
    7,285.36x = 41,646,561.39
  5. Step 5: Solve for x
    x = 41,646,561.39/7,285.36
  6. Step 6: Final answer
    x = 5,716.47

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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.