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Finding the Fourth Proportional to 5,038.43, 7,557.03 and 1,917.09

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Solution

The fourth proportional to 5,038.43, 7,557.03 and 1,917.09 is: 2,875.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.43 : 7,557.03 = 1,917.09 : x
  2. Step 2: Convert to fraction form
    5,038.43/7,557.03 = 1,917.09/x
  3. Step 3: Cross multiply
    5,038.43x = 7,557.03 × 1,917.09
  4. Step 4: Simplify right side
    5,038.43x = 14,487,506.64
  5. Step 5: Solve for x
    x = 14,487,506.64/5,038.43
  6. Step 6: Final answer
    x = 2,875.40

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1.5x scale

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.