Home / 7,431.48-10,254.98-4,245.14

Finding the Fourth Proportional to 7,431.48, 10,254.98 and 4,245.14

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Solution

The fourth proportional to 7,431.48, 10,254.98 and 4,245.14 is: 5,858.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.48 : 10,254.98 = 4,245.14 : x
  2. Step 2: Convert to fraction form
    7,431.48/10,254.98 = 4,245.14/x
  3. Step 3: Cross multiply
    7,431.48x = 10,254.98 × 4,245.14
  4. Step 4: Simplify right side
    7,431.48x = 43,533,825.80
  5. Step 5: Solve for x
    x = 43,533,825.80/7,431.48
  6. Step 6: Final answer
    x = 5,858.03

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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.