Home / 5,432.96-8,150.08-1,971.84

Finding the Fourth Proportional to 5,432.96, 8,150.08 and 1,971.84

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Solution

The fourth proportional to 5,432.96, 8,150.08 and 1,971.84 is: 2,957.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.96 : 8,150.08 = 1,971.84 : x
  2. Step 2: Convert to fraction form
    5,432.96/8,150.08 = 1,971.84/x
  3. Step 3: Cross multiply
    5,432.96x = 8,150.08 × 1,971.84
  4. Step 4: Simplify right side
    5,432.96x = 16,070,653.75
  5. Step 5: Solve for x
    x = 16,070,653.75/5,432.96
  6. Step 6: Final answer
    x = 2,957.99

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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.