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Finding the Fourth Proportional to 7,283.56, 10,940.06 and 4,367.40

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Solution

The fourth proportional to 7,283.56, 10,940.06 and 4,367.40 is: 6,559.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,283.56 : 10,940.06 = 4,367.40 : x
  2. Step 2: Convert to fraction form
    7,283.56/10,940.06 = 4,367.40/x
  3. Step 3: Cross multiply
    7,283.56x = 10,940.06 × 4,367.40
  4. Step 4: Simplify right side
    7,283.56x = 47,779,618.04
  5. Step 5: Solve for x
    x = 47,779,618.04/7,283.56
  6. Step 6: Final answer
    x = 6,559.93

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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.