Home / 4,900.36-6,763.08-2,805.16

Finding the Fourth Proportional to 4,900.36, 6,763.08 and 2,805.16

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Solution

The fourth proportional to 4,900.36, 6,763.08 and 2,805.16 is: 3,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,900.36 : 6,763.08 = 2,805.16 : x
  2. Step 2: Convert to fraction form
    4,900.36/6,763.08 = 2,805.16/x
  3. Step 3: Cross multiply
    4,900.36x = 6,763.08 × 2,805.16
  4. Step 4: Simplify right side
    4,900.36x = 18,971,521.49
  5. Step 5: Solve for x
    x = 18,971,521.49/4,900.36
  6. Step 6: Final answer
    x = 3,871.45

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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.