Home / 4,602.64-6,903.86-1,139.92

Finding the Fourth Proportional to 4,602.64, 6,903.86 and 1,139.92

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Solution

The fourth proportional to 4,602.64, 6,903.86 and 1,139.92 is: 1,709.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,602.64 : 6,903.86 = 1,139.92 : x
  2. Step 2: Convert to fraction form
    4,602.64/6,903.86 = 1,139.92/x
  3. Step 3: Cross multiply
    4,602.64x = 6,903.86 × 1,139.92
  4. Step 4: Simplify right side
    4,602.64x = 7,869,848.09
  5. Step 5: Solve for x
    x = 7,869,848.09/4,602.64
  6. Step 6: Final answer
    x = 1,709.86

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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.