Home / 4,140.50-6,210.70-1,675.30

Finding the Fourth Proportional to 4,140.50, 6,210.70 and 1,675.30

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Solution

The fourth proportional to 4,140.50, 6,210.70 and 1,675.30 is: 2,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.50 : 6,210.70 = 1,675.30 : x
  2. Step 2: Convert to fraction form
    4,140.50/6,210.70 = 1,675.30/x
  3. Step 3: Cross multiply
    4,140.50x = 6,210.70 × 1,675.30
  4. Step 4: Simplify right side
    4,140.50x = 10,404,785.71
  5. Step 5: Solve for x
    x = 10,404,785.71/4,140.50
  6. Step 6: Final answer
    x = 2,512.93

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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.