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Finding the Fourth Proportional to 5,667.02, 7,801.08 and 4,916.56

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Solution

The fourth proportional to 5,667.02, 7,801.08 and 4,916.56 is: 6,768.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,667.02 : 7,801.08 = 4,916.56 : x
  2. Step 2: Convert to fraction form
    5,667.02/7,801.08 = 4,916.56/x
  3. Step 3: Cross multiply
    5,667.02x = 7,801.08 × 4,916.56
  4. Step 4: Simplify right side
    5,667.02x = 38,354,477.88
  5. Step 5: Solve for x
    x = 38,354,477.88/5,667.02
  6. Step 6: Final answer
    x = 6,768.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.