Home / 4,285.65-6,428.40-1,363.92

Finding the Fourth Proportional to 4,285.65, 6,428.40 and 1,363.92

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Solution

The fourth proportional to 4,285.65, 6,428.40 and 1,363.92 is: 2,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.65 : 6,428.40 = 1,363.92 : x
  2. Step 2: Convert to fraction form
    4,285.65/6,428.40 = 1,363.92/x
  3. Step 3: Cross multiply
    4,285.65x = 6,428.40 × 1,363.92
  4. Step 4: Simplify right side
    4,285.65x = 8,767,823.33
  5. Step 5: Solve for x
    x = 8,767,823.33/4,285.65
  6. Step 6: Final answer
    x = 2,045.86

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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.