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Finding the Fourth Proportional to 5,674.95, 8,513.30 and 1,515.29

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Solution

The fourth proportional to 5,674.95, 8,513.30 and 1,515.29 is: 2,273.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.95 : 8,513.30 = 1,515.29 : x
  2. Step 2: Convert to fraction form
    5,674.95/8,513.30 = 1,515.29/x
  3. Step 3: Cross multiply
    5,674.95x = 8,513.30 × 1,515.29
  4. Step 4: Simplify right side
    5,674.95x = 12,900,068.21
  5. Step 5: Solve for x
    x = 12,900,068.21/5,674.95
  6. Step 6: Final answer
    x = 2,273.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.