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Finding the Fourth Proportional to 5,608.71, 8,412.76 and 1,712.81

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Solution

The fourth proportional to 5,608.71, 8,412.76 and 1,712.81 is: 2,569.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,608.71 : 8,412.76 = 1,712.81 : x
  2. Step 2: Convert to fraction form
    5,608.71/8,412.76 = 1,712.81/x
  3. Step 3: Cross multiply
    5,608.71x = 8,412.76 × 1,712.81
  4. Step 4: Simplify right side
    5,608.71x = 14,409,482.63
  5. Step 5: Solve for x
    x = 14,409,482.63/5,608.71
  6. Step 6: Final answer
    x = 2,569.13

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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.