Home / 5,384.13-7,429.86-2,994.23

Finding the Fourth Proportional to 5,384.13, 7,429.86 and 2,994.23

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Solution

The fourth proportional to 5,384.13, 7,429.86 and 2,994.23 is: 4,131.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.13 : 7,429.86 = 2,994.23 : x
  2. Step 2: Convert to fraction form
    5,384.13/7,429.86 = 2,994.23/x
  3. Step 3: Cross multiply
    5,384.13x = 7,429.86 × 2,994.23
  4. Step 4: Simplify right side
    5,384.13x = 22,246,672.56
  5. Step 5: Solve for x
    x = 22,246,672.56/5,384.13
  6. Step 6: Final answer
    x = 4,131.90

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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.