Home / 7,290.06-10,936.59-3,130.30

Finding the Fourth Proportional to 7,290.06, 10,936.59 and 3,130.30

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Solution

The fourth proportional to 7,290.06, 10,936.59 and 3,130.30 is: 4,696.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,290.06 : 10,936.59 = 3,130.30 : x
  2. Step 2: Convert to fraction form
    7,290.06/10,936.59 = 3,130.30/x
  3. Step 3: Cross multiply
    7,290.06x = 10,936.59 × 3,130.30
  4. Step 4: Simplify right side
    7,290.06x = 34,234,807.68
  5. Step 5: Solve for x
    x = 34,234,807.68/7,290.06
  6. Step 6: Final answer
    x = 4,696.09

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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.