Home / 8,875.10-13,313.34-2,951.78

Finding the Fourth Proportional to 8,875.10, 13,313.34 and 2,951.78

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Solution

The fourth proportional to 8,875.10, 13,313.34 and 2,951.78 is: 4,427.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,875.10 : 13,313.34 = 2,951.78 : x
  2. Step 2: Convert to fraction form
    8,875.10/13,313.34 = 2,951.78/x
  3. Step 3: Cross multiply
    8,875.10x = 13,313.34 × 2,951.78
  4. Step 4: Simplify right side
    8,875.10x = 39,297,984.18
  5. Step 5: Solve for x
    x = 39,297,984.18/8,875.10
  6. Step 6: Final answer
    x = 4,427.89

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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.