Home / 4,240.19-6,360.29-1,318.50

Finding the Fourth Proportional to 4,240.19, 6,360.29 and 1,318.50

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Solution

The fourth proportional to 4,240.19, 6,360.29 and 1,318.50 is: 1,977.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.19 : 6,360.29 = 1,318.50 : x
  2. Step 2: Convert to fraction form
    4,240.19/6,360.29 = 1,318.50/x
  3. Step 3: Cross multiply
    4,240.19x = 6,360.29 × 1,318.50
  4. Step 4: Simplify right side
    4,240.19x = 8,386,042.37
  5. Step 5: Solve for x
    x = 8,386,042.37/4,240.19
  6. Step 6: Final answer
    x = 1,977.75

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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.