Home / 8,749.56-12,074.15-4,770.75

Finding the Fourth Proportional to 8,749.56, 12,074.15 and 4,770.75

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Solution

The fourth proportional to 8,749.56, 12,074.15 and 4,770.75 is: 6,583.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.56 : 12,074.15 = 4,770.75 : x
  2. Step 2: Convert to fraction form
    8,749.56/12,074.15 = 4,770.75/x
  3. Step 3: Cross multiply
    8,749.56x = 12,074.15 × 4,770.75
  4. Step 4: Simplify right side
    8,749.56x = 57,602,751.11
  5. Step 5: Solve for x
    x = 57,602,751.11/8,749.56
  6. Step 6: Final answer
    x = 6,583.50

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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.