Home / 4,113.64-5,681.67-2,785.03

Finding the Fourth Proportional to 4,113.64, 5,681.67 and 2,785.03

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Solution

The fourth proportional to 4,113.64, 5,681.67 and 2,785.03 is: 3,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.64 : 5,681.67 = 2,785.03 : x
  2. Step 2: Convert to fraction form
    4,113.64/5,681.67 = 2,785.03/x
  3. Step 3: Cross multiply
    4,113.64x = 5,681.67 × 2,785.03
  4. Step 4: Simplify right side
    4,113.64x = 15,823,621.40
  5. Step 5: Solve for x
    x = 15,823,621.40/4,113.64
  6. Step 6: Final answer
    x = 3,846.62

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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.