Home / 4,740.08-6,540.66-2,643.80

Finding the Fourth Proportional to 4,740.08, 6,540.66 and 2,643.80

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Solution

The fourth proportional to 4,740.08, 6,540.66 and 2,643.80 is: 3,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.08 : 6,540.66 = 2,643.80 : x
  2. Step 2: Convert to fraction form
    4,740.08/6,540.66 = 2,643.80/x
  3. Step 3: Cross multiply
    4,740.08x = 6,540.66 × 2,643.80
  4. Step 4: Simplify right side
    4,740.08x = 17,292,196.91
  5. Step 5: Solve for x
    x = 17,292,196.91/4,740.08
  6. Step 6: Final answer
    x = 3,648.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.