Home / 4,270.67-6,406.77-1,931.77

Finding the Fourth Proportional to 4,270.67, 6,406.77 and 1,931.77

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Solution

The fourth proportional to 4,270.67, 6,406.77 and 1,931.77 is: 2,898.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.67 : 6,406.77 = 1,931.77 : x
  2. Step 2: Convert to fraction form
    4,270.67/6,406.77 = 1,931.77/x
  3. Step 3: Cross multiply
    4,270.67x = 6,406.77 × 1,931.77
  4. Step 4: Simplify right side
    4,270.67x = 12,376,406.08
  5. Step 5: Solve for x
    x = 12,376,406.08/4,270.67
  6. Step 6: Final answer
    x = 2,898.00

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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.