Home / 5,384.19-7,430.07-2,994.21

Finding the Fourth Proportional to 5,384.19, 7,430.07 and 2,994.21

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Solution

The fourth proportional to 5,384.19, 7,430.07 and 2,994.21 is: 4,131.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.19 : 7,430.07 = 2,994.21 : x
  2. Step 2: Convert to fraction form
    5,384.19/7,430.07 = 2,994.21/x
  3. Step 3: Cross multiply
    5,384.19x = 7,430.07 × 2,994.21
  4. Step 4: Simplify right side
    5,384.19x = 22,247,189.89
  5. Step 5: Solve for x
    x = 22,247,189.89/5,384.19
  6. Step 6: Final answer
    x = 4,131.95

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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.