Home / 7,430.38-10,254.81-4,286.50

Finding the Fourth Proportional to 7,430.38, 10,254.81 and 4,286.50

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Solution

The fourth proportional to 7,430.38, 10,254.81 and 4,286.50 is: 5,915.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.38 : 10,254.81 = 4,286.50 : x
  2. Step 2: Convert to fraction form
    7,430.38/10,254.81 = 4,286.50/x
  3. Step 3: Cross multiply
    7,430.38x = 10,254.81 × 4,286.50
  4. Step 4: Simplify right side
    7,430.38x = 43,957,243.07
  5. Step 5: Solve for x
    x = 43,957,243.07/7,430.38
  6. Step 6: Final answer
    x = 5,915.88

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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.