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Finding the Fourth Proportional to 9,798.21, 14,698.94 and 4,538.48

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Solution

The fourth proportional to 9,798.21, 14,698.94 and 4,538.48 is: 6,808.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,798.21 : 14,698.94 = 4,538.48 : x
  2. Step 2: Convert to fraction form
    9,798.21/14,698.94 = 4,538.48/x
  3. Step 3: Cross multiply
    9,798.21x = 14,698.94 × 4,538.48
  4. Step 4: Simplify right side
    9,798.21x = 66,710,749.02
  5. Step 5: Solve for x
    x = 66,710,749.02/9,798.21
  6. Step 6: Final answer
    x = 6,808.46

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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.