Home / 8,528.98-11,770.04-4,991.52

Finding the Fourth Proportional to 8,528.98, 11,770.04 and 4,991.52

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Solution

The fourth proportional to 8,528.98, 11,770.04 and 4,991.52 is: 6,888.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,528.98 : 11,770.04 = 4,991.52 : x
  2. Step 2: Convert to fraction form
    8,528.98/11,770.04 = 4,991.52/x
  3. Step 3: Cross multiply
    8,528.98x = 11,770.04 × 4,991.52
  4. Step 4: Simplify right side
    8,528.98x = 58,750,390.06
  5. Step 5: Solve for x
    x = 58,750,390.06/8,528.98
  6. Step 6: Final answer
    x = 6,888.33

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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.