Home / 7,289.63-10,058.68-4,103.09

Finding the Fourth Proportional to 7,289.63, 10,058.68 and 4,103.09

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Solution

The fourth proportional to 7,289.63, 10,058.68 and 4,103.09 is: 5,661.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,289.63 : 10,058.68 = 4,103.09 : x
  2. Step 2: Convert to fraction form
    7,289.63/10,058.68 = 4,103.09/x
  3. Step 3: Cross multiply
    7,289.63x = 10,058.68 × 4,103.09
  4. Step 4: Simplify right side
    7,289.63x = 41,271,669.32
  5. Step 5: Solve for x
    x = 41,271,669.32/7,289.63
  6. Step 6: Final answer
    x = 5,661.70

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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.