Home / 7,825.28-11,730.02-4,905.64

Finding the Fourth Proportional to 7,825.28, 11,730.02 and 4,905.64

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Solution

The fourth proportional to 7,825.28, 11,730.02 and 4,905.64 is: 7,353.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.28 : 11,730.02 = 4,905.64 : x
  2. Step 2: Convert to fraction form
    7,825.28/11,730.02 = 4,905.64/x
  3. Step 3: Cross multiply
    7,825.28x = 11,730.02 × 4,905.64
  4. Step 4: Simplify right side
    7,825.28x = 57,543,196.66
  5. Step 5: Solve for x
    x = 57,543,196.66/7,825.28
  6. Step 6: Final answer
    x = 7,353.50

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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.