Home / 7,427.44-10,248.57-4,239.28

Finding the Fourth Proportional to 7,427.44, 10,248.57 and 4,239.28

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Solution

The fourth proportional to 7,427.44, 10,248.57 and 4,239.28 is: 5,849.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.44 : 10,248.57 = 4,239.28 : x
  2. Step 2: Convert to fraction form
    7,427.44/10,248.57 = 4,239.28/x
  3. Step 3: Cross multiply
    7,427.44x = 10,248.57 × 4,239.28
  4. Step 4: Simplify right side
    7,427.44x = 43,446,536.63
  5. Step 5: Solve for x
    x = 43,446,536.63/7,427.44
  6. Step 6: Final answer
    x = 5,849.46

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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.