Home / 7,040.60-9,716.01-3,810.42

Finding the Fourth Proportional to 7,040.60, 9,716.01 and 3,810.42

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Solution

The fourth proportional to 7,040.60, 9,716.01 and 3,810.42 is: 5,258.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.60 : 9,716.01 = 3,810.42 : x
  2. Step 2: Convert to fraction form
    7,040.60/9,716.01 = 3,810.42/x
  3. Step 3: Cross multiply
    7,040.60x = 9,716.01 × 3,810.42
  4. Step 4: Simplify right side
    7,040.60x = 37,022,011.19
  5. Step 5: Solve for x
    x = 37,022,011.19/7,040.60
  6. Step 6: Final answer
    x = 5,258.36

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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.