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Finding the Fourth Proportional to 6,345.64, 9,497.76 and 5,739.40

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Solution

The fourth proportional to 6,345.64, 9,497.76 and 5,739.40 is: 8,590.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.64 : 9,497.76 = 5,739.40 : x
  2. Step 2: Convert to fraction form
    6,345.64/9,497.76 = 5,739.40/x
  3. Step 3: Cross multiply
    6,345.64x = 9,497.76 × 5,739.40
  4. Step 4: Simplify right side
    6,345.64x = 54,511,443.74
  5. Step 5: Solve for x
    x = 54,511,443.74/6,345.64
  6. Step 6: Final answer
    x = 8,590.38

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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.