Home / 8,820.30-13,210.59-6,199.44

Finding the Fourth Proportional to 8,820.30, 13,210.59 and 6,199.44

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Solution

The fourth proportional to 8,820.30, 13,210.59 and 6,199.44 is: 9,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.30 : 13,210.59 = 6,199.44 : x
  2. Step 2: Convert to fraction form
    8,820.30/13,210.59 = 6,199.44/x
  3. Step 3: Cross multiply
    8,820.30x = 13,210.59 × 6,199.44
  4. Step 4: Simplify right side
    8,820.30x = 81,898,260.07
  5. Step 5: Solve for x
    x = 81,898,260.07/8,820.30
  6. Step 6: Final answer
    x = 9,285.20

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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.