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Finding the Fourth Proportional to 6,345.36, 8,757 and 3,551.76

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Solution

The fourth proportional to 6,345.36, 8,757 and 3,551.76 is: 4,901.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.36 : 8,757 = 3,551.76 : x
  2. Step 2: Convert to fraction form
    6,345.36/8,757 = 3,551.76/x
  3. Step 3: Cross multiply
    6,345.36x = 8,757 × 3,551.76
  4. Step 4: Simplify right side
    6,345.36x = 31,102,762.32
  5. Step 5: Solve for x
    x = 31,102,762.32/6,345.36
  6. Step 6: Final answer
    x = 4,901.65

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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.