Home / 4,386.32-6,580.70-2,439.89

Finding the Fourth Proportional to 4,386.32, 6,580.70 and 2,439.89

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Solution

The fourth proportional to 4,386.32, 6,580.70 and 2,439.89 is: 3,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,386.32 : 6,580.70 = 2,439.89 : x
  2. Step 2: Convert to fraction form
    4,386.32/6,580.70 = 2,439.89/x
  3. Step 3: Cross multiply
    4,386.32x = 6,580.70 × 2,439.89
  4. Step 4: Simplify right side
    4,386.32x = 16,056,139.02
  5. Step 5: Solve for x
    x = 16,056,139.02/4,386.32
  6. Step 6: Final answer
    x = 3,660.51

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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.