Home / 5,436.21-8,155.37-2,316.16

Finding the Fourth Proportional to 5,436.21, 8,155.37 and 2,316.16

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Solution

The fourth proportional to 5,436.21, 8,155.37 and 2,316.16 is: 3,474.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.21 : 8,155.37 = 2,316.16 : x
  2. Step 2: Convert to fraction form
    5,436.21/8,155.37 = 2,316.16/x
  3. Step 3: Cross multiply
    5,436.21x = 8,155.37 × 2,316.16
  4. Step 4: Simplify right side
    5,436.21x = 18,889,130.20
  5. Step 5: Solve for x
    x = 18,889,130.20/5,436.21
  6. Step 6: Final answer
    x = 3,474.69

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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.