Home / 4,103.04-5,666.91-2,988.96

Finding the Fourth Proportional to 4,103.04, 5,666.91 and 2,988.96

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Solution

The fourth proportional to 4,103.04, 5,666.91 and 2,988.96 is: 4,128.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,103.04 : 5,666.91 = 2,988.96 : x
  2. Step 2: Convert to fraction form
    4,103.04/5,666.91 = 2,988.96/x
  3. Step 3: Cross multiply
    4,103.04x = 5,666.91 × 2,988.96
  4. Step 4: Simplify right side
    4,103.04x = 16,938,138.98
  5. Step 5: Solve for x
    x = 16,938,138.98/4,103.04
  6. Step 6: Final answer
    x = 4,128.20

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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.