Home / 4,271.68-6,407.76-1,350.28

Finding the Fourth Proportional to 4,271.68, 6,407.76 and 1,350.28

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Solution

The fourth proportional to 4,271.68, 6,407.76 and 1,350.28 is: 2,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,271.68 : 6,407.76 = 1,350.28 : x
  2. Step 2: Convert to fraction form
    4,271.68/6,407.76 = 1,350.28/x
  3. Step 3: Cross multiply
    4,271.68x = 6,407.76 × 1,350.28
  4. Step 4: Simplify right side
    4,271.68x = 8,652,270.17
  5. Step 5: Solve for x
    x = 8,652,270.17/4,271.68
  6. Step 6: Final answer
    x = 2,025.50

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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.