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Finding the Fourth Proportional to 6,390.34, 9,585.96 and 1,710.34

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Solution

The fourth proportional to 6,390.34, 9,585.96 and 1,710.34 is: 2,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,390.34 : 9,585.96 = 1,710.34 : x
  2. Step 2: Convert to fraction form
    6,390.34/9,585.96 = 1,710.34/x
  3. Step 3: Cross multiply
    6,390.34x = 9,585.96 × 1,710.34
  4. Step 4: Simplify right side
    6,390.34x = 16,395,250.83
  5. Step 5: Solve for x
    x = 16,395,250.83/6,390.34
  6. Step 6: Final answer
    x = 2,565.63

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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.