Home / 7,428.48-10,250.84-4,242.14

Finding the Fourth Proportional to 7,428.48, 10,250.84 and 4,242.14

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Solution

The fourth proportional to 7,428.48, 10,250.84 and 4,242.14 is: 5,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,428.48 : 10,250.84 = 4,242.14 : x
  2. Step 2: Convert to fraction form
    7,428.48/10,250.84 = 4,242.14/x
  3. Step 3: Cross multiply
    7,428.48x = 10,250.84 × 4,242.14
  4. Step 4: Simplify right side
    7,428.48x = 43,485,498.40
  5. Step 5: Solve for x
    x = 43,485,498.40/7,428.48
  6. Step 6: Final answer
    x = 5,853.89

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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.