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Finding the Fourth Proportional to 5,358.00, 7,393.37 and 2,999.76

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Solution

The fourth proportional to 5,358.00, 7,393.37 and 2,999.76 is: 4,139.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.00 : 7,393.37 = 2,999.76 : x
  2. Step 2: Convert to fraction form
    5,358.00/7,393.37 = 2,999.76/x
  3. Step 3: Cross multiply
    5,358.00x = 7,393.37 × 2,999.76
  4. Step 4: Simplify right side
    5,358.00x = 22,178,291.12
  5. Step 5: Solve for x
    x = 22,178,291.12/5,358.00
  6. Step 6: Final answer
    x = 4,139.29

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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.