Home / 7,394.49-10,203.08-4,207.28

Finding the Fourth Proportional to 7,394.49, 10,203.08 and 4,207.28

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Solution

The fourth proportional to 7,394.49, 10,203.08 and 4,207.28 is: 5,805.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,394.49 : 10,203.08 = 4,207.28 : x
  2. Step 2: Convert to fraction form
    7,394.49/10,203.08 = 4,207.28/x
  3. Step 3: Cross multiply
    7,394.49x = 10,203.08 × 4,207.28
  4. Step 4: Simplify right side
    7,394.49x = 42,927,163.41
  5. Step 5: Solve for x
    x = 42,927,163.41/7,394.49
  6. Step 6: Final answer
    x = 5,805.29

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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.