Home / 4,688.53-7,033.60-1,916.71

Finding the Fourth Proportional to 4,688.53, 7,033.60 and 1,916.71

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Solution

The fourth proportional to 4,688.53, 7,033.60 and 1,916.71 is: 2,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.53 : 7,033.60 = 1,916.71 : x
  2. Step 2: Convert to fraction form
    4,688.53/7,033.60 = 1,916.71/x
  3. Step 3: Cross multiply
    4,688.53x = 7,033.60 × 1,916.71
  4. Step 4: Simplify right side
    4,688.53x = 13,481,336.29
  5. Step 5: Solve for x
    x = 13,481,336.29/4,688.53
  6. Step 6: Final answer
    x = 2,875.39

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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.