Home / 7,542.90-10,410.45-4,399.09

Finding the Fourth Proportional to 7,542.90, 10,410.45 and 4,399.09

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Solution

The fourth proportional to 7,542.90, 10,410.45 and 4,399.09 is: 6,071.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.90 : 10,410.45 = 4,399.09 : x
  2. Step 2: Convert to fraction form
    7,542.90/10,410.45 = 4,399.09/x
  3. Step 3: Cross multiply
    7,542.90x = 10,410.45 × 4,399.09
  4. Step 4: Simplify right side
    7,542.90x = 45,796,506.49
  5. Step 5: Solve for x
    x = 45,796,506.49/7,542.90
  6. Step 6: Final answer
    x = 6,071.47

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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.