Home / 8,858.46-13,248.03-7,877.34

Finding the Fourth Proportional to 8,858.46, 13,248.03 and 7,877.34

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Solution

The fourth proportional to 8,858.46, 13,248.03 and 7,877.34 is: 11,780.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.46 : 13,248.03 = 7,877.34 : x
  2. Step 2: Convert to fraction form
    8,858.46/13,248.03 = 7,877.34/x
  3. Step 3: Cross multiply
    8,858.46x = 13,248.03 × 7,877.34
  4. Step 4: Simplify right side
    8,858.46x = 104,359,236.64
  5. Step 5: Solve for x
    x = 104,359,236.64/8,858.46
  6. Step 6: Final answer
    x = 11,780.74

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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.