Home / 4,155.21-6,235.53-1,558.14

Finding the Fourth Proportional to 4,155.21, 6,235.53 and 1,558.14

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Solution

The fourth proportional to 4,155.21, 6,235.53 and 1,558.14 is: 2,338.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.21 : 6,235.53 = 1,558.14 : x
  2. Step 2: Convert to fraction form
    4,155.21/6,235.53 = 1,558.14/x
  3. Step 3: Cross multiply
    4,155.21x = 6,235.53 × 1,558.14
  4. Step 4: Simplify right side
    4,155.21x = 9,715,828.71
  5. Step 5: Solve for x
    x = 9,715,828.71/4,155.21
  6. Step 6: Final answer
    x = 2,338.23

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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.