Home / 5,384.07-7,430.39-3,026.21

Finding the Fourth Proportional to 5,384.07, 7,430.39 and 3,026.21

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Solution

The fourth proportional to 5,384.07, 7,430.39 and 3,026.21 is: 4,176.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.07 : 7,430.39 = 3,026.21 : x
  2. Step 2: Convert to fraction form
    5,384.07/7,430.39 = 3,026.21/x
  3. Step 3: Cross multiply
    5,384.07x = 7,430.39 × 3,026.21
  4. Step 4: Simplify right side
    5,384.07x = 22,485,868.24
  5. Step 5: Solve for x
    x = 22,485,868.24/5,384.07
  6. Step 6: Final answer
    x = 4,176.37

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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.