Home / 7,256.10-10,013.40-4,112.28

Finding the Fourth Proportional to 7,256.10, 10,013.40 and 4,112.28

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Solution

The fourth proportional to 7,256.10, 10,013.40 and 4,112.28 is: 5,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,256.10 : 10,013.40 = 4,112.28 : x
  2. Step 2: Convert to fraction form
    7,256.10/10,013.40 = 4,112.28/x
  3. Step 3: Cross multiply
    7,256.10x = 10,013.40 × 4,112.28
  4. Step 4: Simplify right side
    7,256.10x = 41,177,904.55
  5. Step 5: Solve for x
    x = 41,177,904.55/7,256.10
  6. Step 6: Final answer
    x = 5,674.94

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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.