Home / 4,140.28-6,210.30-1,020.27

Finding the Fourth Proportional to 4,140.28, 6,210.30 and 1,020.27

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Solution

The fourth proportional to 4,140.28, 6,210.30 and 1,020.27 is: 1,530.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,140.28 : 6,210.30 = 1,020.27 : x
  2. Step 2: Convert to fraction form
    4,140.28/6,210.30 = 1,020.27/x
  3. Step 3: Cross multiply
    4,140.28x = 6,210.30 × 1,020.27
  4. Step 4: Simplify right side
    4,140.28x = 6,336,182.78
  5. Step 5: Solve for x
    x = 6,336,182.78/4,140.28
  6. Step 6: Final answer
    x = 1,530.38

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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.