Home / 5,421.06-8,124.74-4,619.16

Finding the Fourth Proportional to 5,421.06, 8,124.74 and 4,619.16

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Solution

The fourth proportional to 5,421.06, 8,124.74 and 4,619.16 is: 6,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.06 : 8,124.74 = 4,619.16 : x
  2. Step 2: Convert to fraction form
    5,421.06/8,124.74 = 4,619.16/x
  3. Step 3: Cross multiply
    5,421.06x = 8,124.74 × 4,619.16
  4. Step 4: Simplify right side
    5,421.06x = 37,529,468.24
  5. Step 5: Solve for x
    x = 37,529,468.24/5,421.06
  6. Step 6: Final answer
    x = 6,922.90

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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.