Home / 4,289.05-6,428.57-1,945.52

Finding the Fourth Proportional to 4,289.05, 6,428.57 and 1,945.52

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Solution

The fourth proportional to 4,289.05, 6,428.57 and 1,945.52 is: 2,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,289.05 : 6,428.57 = 1,945.52 : x
  2. Step 2: Convert to fraction form
    4,289.05/6,428.57 = 1,945.52/x
  3. Step 3: Cross multiply
    4,289.05x = 6,428.57 × 1,945.52
  4. Step 4: Simplify right side
    4,289.05x = 12,506,893.74
  5. Step 5: Solve for x
    x = 12,506,893.74/4,289.05
  6. Step 6: Final answer
    x = 2,916.00

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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.