Home / 5,424.24-8,124.84-3,670.32

Finding the Fourth Proportional to 5,424.24, 8,124.84 and 3,670.32

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Solution

The fourth proportional to 5,424.24, 8,124.84 and 3,670.32 is: 5,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.24 : 8,124.84 = 3,670.32 : x
  2. Step 2: Convert to fraction form
    5,424.24/8,124.84 = 3,670.32/x
  3. Step 3: Cross multiply
    5,424.24x = 8,124.84 × 3,670.32
  4. Step 4: Simplify right side
    5,424.24x = 29,820,762.75
  5. Step 5: Solve for x
    x = 29,820,762.75/5,424.24
  6. Step 6: Final answer
    x = 5,497.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.