Home / 5,445.09-7,513.07-3,206.15

Finding the Fourth Proportional to 5,445.09, 7,513.07 and 3,206.15

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Solution

The fourth proportional to 5,445.09, 7,513.07 and 3,206.15 is: 4,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.09 : 7,513.07 = 3,206.15 : x
  2. Step 2: Convert to fraction form
    5,445.09/7,513.07 = 3,206.15/x
  3. Step 3: Cross multiply
    5,445.09x = 7,513.07 × 3,206.15
  4. Step 4: Simplify right side
    5,445.09x = 24,088,056.18
  5. Step 5: Solve for x
    x = 24,088,056.18/5,445.09
  6. Step 6: Final answer
    x = 4,423.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.