Home / 8,700.09-13,050.03-2,126.34

Finding the Fourth Proportional to 8,700.09, 13,050.03 and 2,126.34

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Solution

The fourth proportional to 8,700.09, 13,050.03 and 2,126.34 is: 3,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,700.09 : 13,050.03 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    8,700.09/13,050.03 = 2,126.34/x
  3. Step 3: Cross multiply
    8,700.09x = 13,050.03 × 2,126.34
  4. Step 4: Simplify right side
    8,700.09x = 27,748,800.79
  5. Step 5: Solve for x
    x = 27,748,800.79/8,700.09
  6. Step 6: Final answer
    x = 3,189.48

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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.