Home / 5,426.55-8,145.90-4,199.40

Finding the Fourth Proportional to 5,426.55, 8,145.90 and 4,199.40

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Solution

The fourth proportional to 5,426.55, 8,145.90 and 4,199.40 is: 6,303.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.55 : 8,145.90 = 4,199.40 : x
  2. Step 2: Convert to fraction form
    5,426.55/8,145.90 = 4,199.40/x
  3. Step 3: Cross multiply
    5,426.55x = 8,145.90 × 4,199.40
  4. Step 4: Simplify right side
    5,426.55x = 34,207,892.46
  5. Step 5: Solve for x
    x = 34,207,892.46/5,426.55
  6. Step 6: Final answer
    x = 6,303.80

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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.