Home / 6,480.40-9,718.71-1,799.32

Finding the Fourth Proportional to 6,480.40, 9,718.71 and 1,799.32

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Solution

The fourth proportional to 6,480.40, 9,718.71 and 1,799.32 is: 2,698.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.40 : 9,718.71 = 1,799.32 : x
  2. Step 2: Convert to fraction form
    6,480.40/9,718.71 = 1,799.32/x
  3. Step 3: Cross multiply
    6,480.40x = 9,718.71 × 1,799.32
  4. Step 4: Simplify right side
    6,480.40x = 17,487,069.28
  5. Step 5: Solve for x
    x = 17,487,069.28/6,480.40
  6. Step 6: Final answer
    x = 2,698.46

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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.