Home / 4,240.08-6,360.12-1,318.56

Finding the Fourth Proportional to 4,240.08, 6,360.12 and 1,318.56

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Solution

The fourth proportional to 4,240.08, 6,360.12 and 1,318.56 is: 1,977.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.08 : 6,360.12 = 1,318.56 : x
  2. Step 2: Convert to fraction form
    4,240.08/6,360.12 = 1,318.56/x
  3. Step 3: Cross multiply
    4,240.08x = 6,360.12 × 1,318.56
  4. Step 4: Simplify right side
    4,240.08x = 8,386,199.83
  5. Step 5: Solve for x
    x = 8,386,199.83/4,240.08
  6. Step 6: Final answer
    x = 1,977.84

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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.