Home / 4,642.80-6,407.48-2,653.36

Finding the Fourth Proportional to 4,642.80, 6,407.48 and 2,653.36

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Solution

The fourth proportional to 4,642.80, 6,407.48 and 2,653.36 is: 3,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.80 : 6,407.48 = 2,653.36 : x
  2. Step 2: Convert to fraction form
    4,642.80/6,407.48 = 2,653.36/x
  3. Step 3: Cross multiply
    4,642.80x = 6,407.48 × 2,653.36
  4. Step 4: Simplify right side
    4,642.80x = 17,001,351.13
  5. Step 5: Solve for x
    x = 17,001,351.13/4,642.80
  6. Step 6: Final answer
    x = 3,661.87

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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.