Home / 4,838.40-7,260-1,916.64

Finding the Fourth Proportional to 4,838.40, 7,260 and 1,916.64

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Solution

The fourth proportional to 4,838.40, 7,260 and 1,916.64 is: 2,875.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.40 : 7,260 = 1,916.64 : x
  2. Step 2: Convert to fraction form
    4,838.40/7,260 = 1,916.64/x
  3. Step 3: Cross multiply
    4,838.40x = 7,260 × 1,916.64
  4. Step 4: Simplify right side
    4,838.40x = 13,914,806.40
  5. Step 5: Solve for x
    x = 13,914,806.40/4,838.40
  6. Step 6: Final answer
    x = 2,875.91

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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.