Home / 4,108.28-6,158.90-1,886.40

Finding the Fourth Proportional to 4,108.28, 6,158.90 and 1,886.40

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Solution

The fourth proportional to 4,108.28, 6,158.90 and 1,886.40 is: 2,827.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.28 : 6,158.90 = 1,886.40 : x
  2. Step 2: Convert to fraction form
    4,108.28/6,158.90 = 1,886.40/x
  3. Step 3: Cross multiply
    4,108.28x = 6,158.90 × 1,886.40
  4. Step 4: Simplify right side
    4,108.28x = 11,618,148.96
  5. Step 5: Solve for x
    x = 11,618,148.96/4,108.28
  6. Step 6: Final answer
    x = 2,827.98

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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.