Home / 4,543.79-6,809.29-3,615.21

Finding the Fourth Proportional to 4,543.79, 6,809.29 and 3,615.21

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Solution

The fourth proportional to 4,543.79, 6,809.29 and 3,615.21 is: 5,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,543.79 : 6,809.29 = 3,615.21 : x
  2. Step 2: Convert to fraction form
    4,543.79/6,809.29 = 3,615.21/x
  3. Step 3: Cross multiply
    4,543.79x = 6,809.29 × 3,615.21
  4. Step 4: Simplify right side
    4,543.79x = 24,617,004.26
  5. Step 5: Solve for x
    x = 24,617,004.26/4,543.79
  6. Step 6: Final answer
    x = 5,417.73

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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.