Home / 5,421.43-8,132.04-1,723.91

Finding the Fourth Proportional to 5,421.43, 8,132.04 and 1,723.91

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Solution

The fourth proportional to 5,421.43, 8,132.04 and 1,723.91 is: 2,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.43 : 8,132.04 = 1,723.91 : x
  2. Step 2: Convert to fraction form
    5,421.43/8,132.04 = 1,723.91/x
  3. Step 3: Cross multiply
    5,421.43x = 8,132.04 × 1,723.91
  4. Step 4: Simplify right side
    5,421.43x = 14,018,925.41
  5. Step 5: Solve for x
    x = 14,018,925.41/5,421.43
  6. Step 6: Final answer
    x = 2,585.84

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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.