Home / 4,274.12-6,412.26-1,312.48

Finding the Fourth Proportional to 4,274.12, 6,412.26 and 1,312.48

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Solution

The fourth proportional to 4,274.12, 6,412.26 and 1,312.48 is: 1,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.12 : 6,412.26 = 1,312.48 : x
  2. Step 2: Convert to fraction form
    4,274.12/6,412.26 = 1,312.48/x
  3. Step 3: Cross multiply
    4,274.12x = 6,412.26 × 1,312.48
  4. Step 4: Simplify right side
    4,274.12x = 8,415,963.00
  5. Step 5: Solve for x
    x = 8,415,963.00/4,274.12
  6. Step 6: Final answer
    x = 1,969.05

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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.