Home / 4,274.37-6,412.26-1,312.74

Finding the Fourth Proportional to 4,274.37, 6,412.26 and 1,312.74

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Solution

The fourth proportional to 4,274.37, 6,412.26 and 1,312.74 is: 1,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.37 : 6,412.26 = 1,312.74 : x
  2. Step 2: Convert to fraction form
    4,274.37/6,412.26 = 1,312.74/x
  3. Step 3: Cross multiply
    4,274.37x = 6,412.26 × 1,312.74
  4. Step 4: Simplify right side
    4,274.37x = 8,417,630.19
  5. Step 5: Solve for x
    x = 8,417,630.19/4,274.37
  6. Step 6: Final answer
    x = 1,969.33

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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.