Home / 9,825.49-14,735.40-4,277.80

Finding the Fourth Proportional to 9,825.49, 14,735.40 and 4,277.80

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Solution

The fourth proportional to 9,825.49, 14,735.40 and 4,277.80 is: 6,415.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,825.49 : 14,735.40 = 4,277.80 : x
  2. Step 2: Convert to fraction form
    9,825.49/14,735.40 = 4,277.80/x
  3. Step 3: Cross multiply
    9,825.49x = 14,735.40 × 4,277.80
  4. Step 4: Simplify right side
    9,825.49x = 63,035,094.12
  5. Step 5: Solve for x
    x = 63,035,094.12/9,825.49
  6. Step 6: Final answer
    x = 6,415.47

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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.