Home / 4,127.55-5,700.71-2,798.94

Finding the Fourth Proportional to 4,127.55, 5,700.71 and 2,798.94

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Solution

The fourth proportional to 4,127.55, 5,700.71 and 2,798.94 is: 3,865.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.55 : 5,700.71 = 2,798.94 : x
  2. Step 2: Convert to fraction form
    4,127.55/5,700.71 = 2,798.94/x
  3. Step 3: Cross multiply
    4,127.55x = 5,700.71 × 2,798.94
  4. Step 4: Simplify right side
    4,127.55x = 15,955,931.25
  5. Step 5: Solve for x
    x = 15,955,931.25/4,127.55
  6. Step 6: Final answer
    x = 3,865.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.