Home / 7,386.63-11,071.49-2,940.14

Finding the Fourth Proportional to 7,386.63, 11,071.49 and 2,940.14

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Solution

The fourth proportional to 7,386.63, 11,071.49 and 2,940.14 is: 4,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.63 : 11,071.49 = 2,940.14 : x
  2. Step 2: Convert to fraction form
    7,386.63/11,071.49 = 2,940.14/x
  3. Step 3: Cross multiply
    7,386.63x = 11,071.49 × 2,940.14
  4. Step 4: Simplify right side
    7,386.63x = 32,551,660.55
  5. Step 5: Solve for x
    x = 32,551,660.55/7,386.63
  6. Step 6: Final answer
    x = 4,406.84

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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.