Home / 8,988.50-13,485.41-4,609.03

Finding the Fourth Proportional to 8,988.50, 13,485.41 and 4,609.03

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Solution

The fourth proportional to 8,988.50, 13,485.41 and 4,609.03 is: 6,914.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,988.50 : 13,485.41 = 4,609.03 : x
  2. Step 2: Convert to fraction form
    8,988.50/13,485.41 = 4,609.03/x
  3. Step 3: Cross multiply
    8,988.50x = 13,485.41 × 4,609.03
  4. Step 4: Simplify right side
    8,988.50x = 62,154,659.25
  5. Step 5: Solve for x
    x = 62,154,659.25/8,988.50
  6. Step 6: Final answer
    x = 6,914.91

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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.