Home / 4,200.10-5,800.36-3,461.38

Finding the Fourth Proportional to 4,200.10, 5,800.36 and 3,461.38

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Solution

The fourth proportional to 4,200.10, 5,800.36 and 3,461.38 is: 4,780.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.10 : 5,800.36 = 3,461.38 : x
  2. Step 2: Convert to fraction form
    4,200.10/5,800.36 = 3,461.38/x
  3. Step 3: Cross multiply
    4,200.10x = 5,800.36 × 3,461.38
  4. Step 4: Simplify right side
    4,200.10x = 20,077,250.10
  5. Step 5: Solve for x
    x = 20,077,250.10/4,200.10
  6. Step 6: Final answer
    x = 4,780.18

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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.