Home / 7,004.19-9,665.58-3,860.37

Finding the Fourth Proportional to 7,004.19, 9,665.58 and 3,860.37

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Solution

The fourth proportional to 7,004.19, 9,665.58 and 3,860.37 is: 5,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,004.19 : 9,665.58 = 3,860.37 : x
  2. Step 2: Convert to fraction form
    7,004.19/9,665.58 = 3,860.37/x
  3. Step 3: Cross multiply
    7,004.19x = 9,665.58 × 3,860.37
  4. Step 4: Simplify right side
    7,004.19x = 37,312,715.06
  5. Step 5: Solve for x
    x = 37,312,715.06/7,004.19
  6. Step 6: Final answer
    x = 5,327.20

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Half scale
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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.