Home / 4,263.68-6,395.28-1,143.60

Finding the Fourth Proportional to 4,263.68, 6,395.28 and 1,143.60

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Solution

The fourth proportional to 4,263.68, 6,395.28 and 1,143.60 is: 1,715.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,263.68 : 6,395.28 = 1,143.60 : x
  2. Step 2: Convert to fraction form
    4,263.68/6,395.28 = 1,143.60/x
  3. Step 3: Cross multiply
    4,263.68x = 6,395.28 × 1,143.60
  4. Step 4: Simplify right side
    4,263.68x = 7,313,642.21
  5. Step 5: Solve for x
    x = 7,313,642.21/4,263.68
  6. Step 6: Final answer
    x = 1,715.34

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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.