Home / 5,435.10-8,150.96-2,315.08

Finding the Fourth Proportional to 5,435.10, 8,150.96 and 2,315.08

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Solution

The fourth proportional to 5,435.10, 8,150.96 and 2,315.08 is: 3,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.10 : 8,150.96 = 2,315.08 : x
  2. Step 2: Convert to fraction form
    5,435.10/8,150.96 = 2,315.08/x
  3. Step 3: Cross multiply
    5,435.10x = 8,150.96 × 2,315.08
  4. Step 4: Simplify right side
    5,435.10x = 18,870,124.48
  5. Step 5: Solve for x
    x = 18,870,124.48/5,435.10
  6. Step 6: Final answer
    x = 3,471.90

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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.