Home / 4,970.21-6,859.84-2,954.07

Finding the Fourth Proportional to 4,970.21, 6,859.84 and 2,954.07

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Solution

The fourth proportional to 4,970.21, 6,859.84 and 2,954.07 is: 4,077.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.21 : 6,859.84 = 2,954.07 : x
  2. Step 2: Convert to fraction form
    4,970.21/6,859.84 = 2,954.07/x
  3. Step 3: Cross multiply
    4,970.21x = 6,859.84 × 2,954.07
  4. Step 4: Simplify right side
    4,970.21x = 20,264,447.55
  5. Step 5: Solve for x
    x = 20,264,447.55/4,970.21
  6. Step 6: Final answer
    x = 4,077.18

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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.