Home / 4,580.62-6,870.96-1,117.87

Finding the Fourth Proportional to 4,580.62, 6,870.96 and 1,117.87

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Solution

The fourth proportional to 4,580.62, 6,870.96 and 1,117.87 is: 1,676.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.62 : 6,870.96 = 1,117.87 : x
  2. Step 2: Convert to fraction form
    4,580.62/6,870.96 = 1,117.87/x
  3. Step 3: Cross multiply
    4,580.62x = 6,870.96 × 1,117.87
  4. Step 4: Simplify right side
    4,580.62x = 7,680,822.88
  5. Step 5: Solve for x
    x = 7,680,822.88/4,580.62
  6. Step 6: Final answer
    x = 1,676.81

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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.