Home / 4,128.10-6,204.30-4,055.20

Finding the Fourth Proportional to 4,128.10, 6,204.30 and 4,055.20

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Solution

The fourth proportional to 4,128.10, 6,204.30 and 4,055.20 is: 6,094.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.10 : 6,204.30 = 4,055.20 : x
  2. Step 2: Convert to fraction form
    4,128.10/6,204.30 = 4,055.20/x
  3. Step 3: Cross multiply
    4,128.10x = 6,204.30 × 4,055.20
  4. Step 4: Simplify right side
    4,128.10x = 25,159,677.36
  5. Step 5: Solve for x
    x = 25,159,677.36/4,128.10
  6. Step 6: Final answer
    x = 6,094.74

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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.