Home / 4,320.61-6,481.60-1,358.82

Finding the Fourth Proportional to 4,320.61, 6,481.60 and 1,358.82

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Solution

The fourth proportional to 4,320.61, 6,481.60 and 1,358.82 is: 2,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320.61 : 6,481.60 = 1,358.82 : x
  2. Step 2: Convert to fraction form
    4,320.61/6,481.60 = 1,358.82/x
  3. Step 3: Cross multiply
    4,320.61x = 6,481.60 × 1,358.82
  4. Step 4: Simplify right side
    4,320.61x = 8,807,327.71
  5. Step 5: Solve for x
    x = 8,807,327.71/4,320.61
  6. Step 6: Final answer
    x = 2,038.45

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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.