Home / 7,256.40-10,013.88-4,112.64

Finding the Fourth Proportional to 7,256.40, 10,013.88 and 4,112.64

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Solution

The fourth proportional to 7,256.40, 10,013.88 and 4,112.64 is: 5,675.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.40 : 10,013.88 = 4,112.64 : x
  2. Step 2: Convert to fraction form
    7,256.40/10,013.88 = 4,112.64/x
  3. Step 3: Cross multiply
    7,256.40x = 10,013.88 × 4,112.64
  4. Step 4: Simplify right side
    7,256.40x = 41,183,483.44
  5. Step 5: Solve for x
    x = 41,183,483.44/7,256.40
  6. Step 6: Final answer
    x = 5,675.47

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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.