Home / 8,780.24-13,153.08-5,816.72

Finding the Fourth Proportional to 8,780.24, 13,153.08 and 5,816.72

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Solution

The fourth proportional to 8,780.24, 13,153.08 and 5,816.72 is: 8,713.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,780.24 : 13,153.08 = 5,816.72 : x
  2. Step 2: Convert to fraction form
    8,780.24/13,153.08 = 5,816.72/x
  3. Step 3: Cross multiply
    8,780.24x = 13,153.08 × 5,816.72
  4. Step 4: Simplify right side
    8,780.24x = 76,507,783.50
  5. Step 5: Solve for x
    x = 76,507,783.50/8,780.24
  6. Step 6: Final answer
    x = 8,713.63

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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.