Home / 5,427.28-8,140.92-3,564.93

Finding the Fourth Proportional to 5,427.28, 8,140.92 and 3,564.93

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Solution

The fourth proportional to 5,427.28, 8,140.92 and 3,564.93 is: 5,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427.28 : 8,140.92 = 3,564.93 : x
  2. Step 2: Convert to fraction form
    5,427.28/8,140.92 = 3,564.93/x
  3. Step 3: Cross multiply
    5,427.28x = 8,140.92 × 3,564.93
  4. Step 4: Simplify right side
    5,427.28x = 29,021,827.10
  5. Step 5: Solve for x
    x = 29,021,827.10/5,427.28
  6. Step 6: Final answer
    x = 5,347.40

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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.