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Finding the Fourth Proportional to 5,133.70, 7,699.33 and 2,358.64

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Solution

The fourth proportional to 5,133.70, 7,699.33 and 2,358.64 is: 3,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,133.70 : 7,699.33 = 2,358.64 : x
  2. Step 2: Convert to fraction form
    5,133.70/7,699.33 = 2,358.64/x
  3. Step 3: Cross multiply
    5,133.70x = 7,699.33 × 2,358.64
  4. Step 4: Simplify right side
    5,133.70x = 18,159,947.71
  5. Step 5: Solve for x
    x = 18,159,947.71/5,133.70
  6. Step 6: Final answer
    x = 3,537.40

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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.