Home / 4,271.20-6,407.70-1,674.13

Finding the Fourth Proportional to 4,271.20, 6,407.70 and 1,674.13

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Solution

The fourth proportional to 4,271.20, 6,407.70 and 1,674.13 is: 2,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.20 : 6,407.70 = 1,674.13 : x
  2. Step 2: Convert to fraction form
    4,271.20/6,407.70 = 1,674.13/x
  3. Step 3: Cross multiply
    4,271.20x = 6,407.70 × 1,674.13
  4. Step 4: Simplify right side
    4,271.20x = 10,727,322.80
  5. Step 5: Solve for x
    x = 10,727,322.80/4,271.20
  6. Step 6: Final answer
    x = 2,511.55

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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.