Home / 4,139.18-6,210.72-1,675.70

Finding the Fourth Proportional to 4,139.18, 6,210.72 and 1,675.70

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Solution

The fourth proportional to 4,139.18, 6,210.72 and 1,675.70 is: 2,514.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.18 : 6,210.72 = 1,675.70 : x
  2. Step 2: Convert to fraction form
    4,139.18/6,210.72 = 1,675.70/x
  3. Step 3: Cross multiply
    4,139.18x = 6,210.72 × 1,675.70
  4. Step 4: Simplify right side
    4,139.18x = 10,407,303.50
  5. Step 5: Solve for x
    x = 10,407,303.50/4,139.18
  6. Step 6: Final answer
    x = 2,514.34

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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.