Home / 8,911.35-13,354.20-5,007.51

Finding the Fourth Proportional to 8,911.35, 13,354.20 and 5,007.51

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Solution

The fourth proportional to 8,911.35, 13,354.20 and 5,007.51 is: 7,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.35 : 13,354.20 = 5,007.51 : x
  2. Step 2: Convert to fraction form
    8,911.35/13,354.20 = 5,007.51/x
  3. Step 3: Cross multiply
    8,911.35x = 13,354.20 × 5,007.51
  4. Step 4: Simplify right side
    8,911.35x = 66,871,290.04
  5. Step 5: Solve for x
    x = 66,871,290.04/8,911.35
  6. Step 6: Final answer
    x = 7,504.06

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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.