Home / 4,147.40-6,219.15-1,513.08

Finding the Fourth Proportional to 4,147.40, 6,219.15 and 1,513.08

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Solution

The fourth proportional to 4,147.40, 6,219.15 and 1,513.08 is: 2,268.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.40 : 6,219.15 = 1,513.08 : x
  2. Step 2: Convert to fraction form
    4,147.40/6,219.15 = 1,513.08/x
  3. Step 3: Cross multiply
    4,147.40x = 6,219.15 × 1,513.08
  4. Step 4: Simplify right side
    4,147.40x = 9,410,065.81
  5. Step 5: Solve for x
    x = 9,410,065.81/4,147.40
  6. Step 6: Final answer
    x = 2,268.91

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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.