Home / 8,856.19-12,221.54-4,877.30

Finding the Fourth Proportional to 8,856.19, 12,221.54 and 4,877.30

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Solution

The fourth proportional to 8,856.19, 12,221.54 and 4,877.30 is: 6,730.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.19 : 12,221.54 = 4,877.30 : x
  2. Step 2: Convert to fraction form
    8,856.19/12,221.54 = 4,877.30/x
  3. Step 3: Cross multiply
    8,856.19x = 12,221.54 × 4,877.30
  4. Step 4: Simplify right side
    8,856.19x = 59,608,055.93
  5. Step 5: Solve for x
    x = 59,608,055.93/8,856.19
  6. Step 6: Final answer
    x = 6,730.67

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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.