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Finding the Fourth Proportional to 4,357.35, 6,532.35 and 1,890.31

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Solution

The fourth proportional to 4,357.35, 6,532.35 and 1,890.31 is: 2,833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.35 : 6,532.35 = 1,890.31 : x
  2. Step 2: Convert to fraction form
    4,357.35/6,532.35 = 1,890.31/x
  3. Step 3: Cross multiply
    4,357.35x = 6,532.35 × 1,890.31
  4. Step 4: Simplify right side
    4,357.35x = 12,348,130.86
  5. Step 5: Solve for x
    x = 12,348,130.86/4,357.35
  6. Step 6: Final answer
    x = 2,833.86

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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.