Home / 6,430.38-9,646.86-2,732.58

Finding the Fourth Proportional to 6,430.38, 9,646.86 and 2,732.58

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Solution

The fourth proportional to 6,430.38, 9,646.86 and 2,732.58 is: 4,099.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.38 : 9,646.86 = 2,732.58 : x
  2. Step 2: Convert to fraction form
    6,430.38/9,646.86 = 2,732.58/x
  3. Step 3: Cross multiply
    6,430.38x = 9,646.86 × 2,732.58
  4. Step 4: Simplify right side
    6,430.38x = 26,360,816.70
  5. Step 5: Solve for x
    x = 26,360,816.70/6,430.38
  6. Step 6: Final answer
    x = 4,099.42

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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.