Home / 9,416.64-14,119.56-2,840.88

Finding the Fourth Proportional to 9,416.64, 14,119.56 and 2,840.88

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Solution

The fourth proportional to 9,416.64, 14,119.56 and 2,840.88 is: 4,259.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,416.64 : 14,119.56 = 2,840.88 : x
  2. Step 2: Convert to fraction form
    9,416.64/14,119.56 = 2,840.88/x
  3. Step 3: Cross multiply
    9,416.64x = 14,119.56 × 2,840.88
  4. Step 4: Simplify right side
    9,416.64x = 40,111,975.61
  5. Step 5: Solve for x
    x = 40,111,975.61/9,416.64
  6. Step 6: Final answer
    x = 4,259.69

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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.