Home / 4,308.24-6,461.35-1,386.58

Finding the Fourth Proportional to 4,308.24, 6,461.35 and 1,386.58

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Solution

The fourth proportional to 4,308.24, 6,461.35 and 1,386.58 is: 2,079.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,308.24 : 6,461.35 = 1,386.58 : x
  2. Step 2: Convert to fraction form
    4,308.24/6,461.35 = 1,386.58/x
  3. Step 3: Cross multiply
    4,308.24x = 6,461.35 × 1,386.58
  4. Step 4: Simplify right side
    4,308.24x = 8,959,178.68
  5. Step 5: Solve for x
    x = 8,959,178.68/4,308.24
  6. Step 6: Final answer
    x = 2,079.54

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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.