Home / 5,421.48-8,133.34-1,723.63

Finding the Fourth Proportional to 5,421.48, 8,133.34 and 1,723.63

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Solution

The fourth proportional to 5,421.48, 8,133.34 and 1,723.63 is: 2,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,421.48 : 8,133.34 = 1,723.63 : x
  2. Step 2: Convert to fraction form
    5,421.48/8,133.34 = 1,723.63/x
  3. Step 3: Cross multiply
    5,421.48x = 8,133.34 × 1,723.63
  4. Step 4: Simplify right side
    5,421.48x = 14,018,868.82
  5. Step 5: Solve for x
    x = 14,018,868.82/5,421.48
  6. Step 6: Final answer
    x = 2,585.80

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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.