Home / 9,427.40-13,010.40-5,235.64

Finding the Fourth Proportional to 9,427.40, 13,010.40 and 5,235.64

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Solution

The fourth proportional to 9,427.40, 13,010.40 and 5,235.64 is: 7,225.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.40 : 13,010.40 = 5,235.64 : x
  2. Step 2: Convert to fraction form
    9,427.40/13,010.40 = 5,235.64/x
  3. Step 3: Cross multiply
    9,427.40x = 13,010.40 × 5,235.64
  4. Step 4: Simplify right side
    9,427.40x = 68,117,770.66
  5. Step 5: Solve for x
    x = 68,117,770.66/9,427.40
  6. Step 6: Final answer
    x = 7,225.51

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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.