Home / 8,707.76-13,059.89-4,263.50

Finding the Fourth Proportional to 8,707.76, 13,059.89 and 4,263.50

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Solution

The fourth proportional to 8,707.76, 13,059.89 and 4,263.50 is: 6,394.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.76 : 13,059.89 = 4,263.50 : x
  2. Step 2: Convert to fraction form
    8,707.76/13,059.89 = 4,263.50/x
  3. Step 3: Cross multiply
    8,707.76x = 13,059.89 × 4,263.50
  4. Step 4: Simplify right side
    8,707.76x = 55,680,868.67
  5. Step 5: Solve for x
    x = 55,680,868.67/8,707.76
  6. Step 6: Final answer
    x = 6,394.40

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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.