Home / 4,240.61-6,358.89-1,318.94

Finding the Fourth Proportional to 4,240.61, 6,358.89 and 1,318.94

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Solution

The fourth proportional to 4,240.61, 6,358.89 and 1,318.94 is: 1,977.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,240.61 : 6,358.89 = 1,318.94 : x
  2. Step 2: Convert to fraction form
    4,240.61/6,358.89 = 1,318.94/x
  3. Step 3: Cross multiply
    4,240.61x = 6,358.89 × 1,318.94
  4. Step 4: Simplify right side
    4,240.61x = 8,386,994.38
  5. Step 5: Solve for x
    x = 8,386,994.38/4,240.61
  6. Step 6: Final answer
    x = 1,977.78

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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.