Home / 6,480.26-9,720.59-1,800.31

Finding the Fourth Proportional to 6,480.26, 9,720.59 and 1,800.31

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Solution

The fourth proportional to 6,480.26, 9,720.59 and 1,800.31 is: 2,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.26 : 9,720.59 = 1,800.31 : x
  2. Step 2: Convert to fraction form
    6,480.26/9,720.59 = 1,800.31/x
  3. Step 3: Cross multiply
    6,480.26x = 9,720.59 × 1,800.31
  4. Step 4: Simplify right side
    6,480.26x = 17,500,075.38
  5. Step 5: Solve for x
    x = 17,500,075.38/6,480.26
  6. Step 6: Final answer
    x = 2,700.52

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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.