Home / 8,254.48-12,382.80-4,359.04

Finding the Fourth Proportional to 8,254.48, 12,382.80 and 4,359.04

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Solution

The fourth proportional to 8,254.48, 12,382.80 and 4,359.04 is: 6,539.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.48 : 12,382.80 = 4,359.04 : x
  2. Step 2: Convert to fraction form
    8,254.48/12,382.80 = 4,359.04/x
  3. Step 3: Cross multiply
    8,254.48x = 12,382.80 × 4,359.04
  4. Step 4: Simplify right side
    8,254.48x = 53,977,120.51
  5. Step 5: Solve for x
    x = 53,977,120.51/8,254.48
  6. Step 6: Final answer
    x = 6,539.13

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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.