Home / 4,260.22-6,390.69-1,140.26

Finding the Fourth Proportional to 4,260.22, 6,390.69 and 1,140.26

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Solution

The fourth proportional to 4,260.22, 6,390.69 and 1,140.26 is: 1,710.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,260.22 : 6,390.69 = 1,140.26 : x
  2. Step 2: Convert to fraction form
    4,260.22/6,390.69 = 1,140.26/x
  3. Step 3: Cross multiply
    4,260.22x = 6,390.69 × 1,140.26
  4. Step 4: Simplify right side
    4,260.22x = 7,287,048.18
  5. Step 5: Solve for x
    x = 7,287,048.18/4,260.22
  6. Step 6: Final answer
    x = 1,710.49

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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.