Home / 4,244.40-5,855.66-3,128.00

Finding the Fourth Proportional to 4,244.40, 5,855.66 and 3,128.00

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Solution

The fourth proportional to 4,244.40, 5,855.66 and 3,128.00 is: 4,315.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,244.40 : 5,855.66 = 3,128.00 : x
  2. Step 2: Convert to fraction form
    4,244.40/5,855.66 = 3,128.00/x
  3. Step 3: Cross multiply
    4,244.40x = 5,855.66 × 3,128.00
  4. Step 4: Simplify right side
    4,244.40x = 18,316,475.20
  5. Step 5: Solve for x
    x = 18,316,475.20/4,244.40
  6. Step 6: Final answer
    x = 4,315.45

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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.