Home / 7,290.51-10,935.86-2,905.41

Finding the Fourth Proportional to 7,290.51, 10,935.86 and 2,905.41

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Solution

The fourth proportional to 7,290.51, 10,935.86 and 2,905.41 is: 4,358.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.51 : 10,935.86 = 2,905.41 : x
  2. Step 2: Convert to fraction form
    7,290.51/10,935.86 = 2,905.41/x
  3. Step 3: Cross multiply
    7,290.51x = 10,935.86 × 2,905.41
  4. Step 4: Simplify right side
    7,290.51x = 31,773,142.48
  5. Step 5: Solve for x
    x = 31,773,142.48/7,290.51
  6. Step 6: Final answer
    x = 4,358.15

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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.