Home / 7,273.02-10,040.46-4,289.76

Finding the Fourth Proportional to 7,273.02, 10,040.46 and 4,289.76

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Solution

The fourth proportional to 7,273.02, 10,040.46 and 4,289.76 is: 5,922.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.02 : 10,040.46 = 4,289.76 : x
  2. Step 2: Convert to fraction form
    7,273.02/10,040.46 = 4,289.76/x
  3. Step 3: Cross multiply
    7,273.02x = 10,040.46 × 4,289.76
  4. Step 4: Simplify right side
    7,273.02x = 43,071,163.69
  5. Step 5: Solve for x
    x = 43,071,163.69/7,273.02
  6. Step 6: Final answer
    x = 5,922.05

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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.