Home / 8,561.23-11,815.04-4,784.67

Finding the Fourth Proportional to 8,561.23, 11,815.04 and 4,784.67

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Solution

The fourth proportional to 8,561.23, 11,815.04 and 4,784.67 is: 6,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.23 : 11,815.04 = 4,784.67 : x
  2. Step 2: Convert to fraction form
    8,561.23/11,815.04 = 4,784.67/x
  3. Step 3: Cross multiply
    8,561.23x = 11,815.04 × 4,784.67
  4. Step 4: Simplify right side
    8,561.23x = 56,531,065.94
  5. Step 5: Solve for x
    x = 56,531,065.94/8,561.23
  6. Step 6: Final answer
    x = 6,603.15

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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.