Home / 9,415.42-14,124.78-2,840.92

Finding the Fourth Proportional to 9,415.42, 14,124.78 and 2,840.92

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Solution

The fourth proportional to 9,415.42, 14,124.78 and 2,840.92 is: 4,261.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.42 : 14,124.78 = 2,840.92 : x
  2. Step 2: Convert to fraction form
    9,415.42/14,124.78 = 2,840.92/x
  3. Step 3: Cross multiply
    9,415.42x = 14,124.78 × 2,840.92
  4. Step 4: Simplify right side
    9,415.42x = 40,127,370.00
  5. Step 5: Solve for x
    x = 40,127,370.00/9,415.42
  6. Step 6: Final answer
    x = 4,261.88

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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.