Home / 9,766.24-14,649.12-2,840.80

Finding the Fourth Proportional to 9,766.24, 14,649.12 and 2,840.80

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Solution

The fourth proportional to 9,766.24, 14,649.12 and 2,840.80 is: 4,261.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,766.24 : 14,649.12 = 2,840.80 : x
  2. Step 2: Convert to fraction form
    9,766.24/14,649.12 = 2,840.80/x
  3. Step 3: Cross multiply
    9,766.24x = 14,649.12 × 2,840.80
  4. Step 4: Simplify right side
    9,766.24x = 41,615,220.10
  5. Step 5: Solve for x
    x = 41,615,220.10/9,766.24
  6. Step 6: Final answer
    x = 4,261.13

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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.