Home / 7,383.20-11,058.60-3,916.40

Finding the Fourth Proportional to 7,383.20, 11,058.60 and 3,916.40

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Solution

The fourth proportional to 7,383.20, 11,058.60 and 3,916.40 is: 5,866.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,383.20 : 11,058.60 = 3,916.40 : x
  2. Step 2: Convert to fraction form
    7,383.20/11,058.60 = 3,916.40/x
  3. Step 3: Cross multiply
    7,383.20x = 11,058.60 × 3,916.40
  4. Step 4: Simplify right side
    7,383.20x = 43,309,901.04
  5. Step 5: Solve for x
    x = 43,309,901.04/7,383.20
  6. Step 6: Final answer
    x = 5,866.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.