Home / 8,382.02-12,570.93-2,538.54

Finding the Fourth Proportional to 8,382.02, 12,570.93 and 2,538.54

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Solution

The fourth proportional to 8,382.02, 12,570.93 and 2,538.54 is: 3,807.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.02 : 12,570.93 = 2,538.54 : x
  2. Step 2: Convert to fraction form
    8,382.02/12,570.93 = 2,538.54/x
  3. Step 3: Cross multiply
    8,382.02x = 12,570.93 × 2,538.54
  4. Step 4: Simplify right side
    8,382.02x = 31,911,808.64
  5. Step 5: Solve for x
    x = 31,911,808.64/8,382.02
  6. Step 6: Final answer
    x = 3,807.18

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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.