Home / 4,915.58-7,373.27-1,217.81

Finding the Fourth Proportional to 4,915.58, 7,373.27 and 1,217.81

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Solution

The fourth proportional to 4,915.58, 7,373.27 and 1,217.81 is: 1,826.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.58 : 7,373.27 = 1,217.81 : x
  2. Step 2: Convert to fraction form
    4,915.58/7,373.27 = 1,217.81/x
  3. Step 3: Cross multiply
    4,915.58x = 7,373.27 × 1,217.81
  4. Step 4: Simplify right side
    4,915.58x = 8,979,263.42
  5. Step 5: Solve for x
    x = 8,979,263.42/4,915.58
  6. Step 6: Final answer
    x = 1,826.70

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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.