Home / 9,760.90-14,649.58-4,218.44

Finding the Fourth Proportional to 9,760.90, 14,649.58 and 4,218.44

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Solution

The fourth proportional to 9,760.90, 14,649.58 and 4,218.44 is: 6,331.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,760.90 : 14,649.58 = 4,218.44 : x
  2. Step 2: Convert to fraction form
    9,760.90/14,649.58 = 4,218.44/x
  3. Step 3: Cross multiply
    9,760.90x = 14,649.58 × 4,218.44
  4. Step 4: Simplify right side
    9,760.90x = 61,798,374.26
  5. Step 5: Solve for x
    x = 61,798,374.26/9,760.90
  6. Step 6: Final answer
    x = 6,331.22

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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.