Home / 4,274.23-6,411.53-1,312.46

Finding the Fourth Proportional to 4,274.23, 6,411.53 and 1,312.46

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Solution

The fourth proportional to 4,274.23, 6,411.53 and 1,312.46 is: 1,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.23 : 6,411.53 = 1,312.46 : x
  2. Step 2: Convert to fraction form
    4,274.23/6,411.53 = 1,312.46/x
  3. Step 3: Cross multiply
    4,274.23x = 6,411.53 × 1,312.46
  4. Step 4: Simplify right side
    4,274.23x = 8,414,876.66
  5. Step 5: Solve for x
    x = 8,414,876.66/4,274.23
  6. Step 6: Final answer
    x = 1,968.75

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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.