Home / 5,416.16-8,124.52-1,718.67

Finding the Fourth Proportional to 5,416.16, 8,124.52 and 1,718.67

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Solution

The fourth proportional to 5,416.16, 8,124.52 and 1,718.67 is: 2,578.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.16 : 8,124.52 = 1,718.67 : x
  2. Step 2: Convert to fraction form
    5,416.16/8,124.52 = 1,718.67/x
  3. Step 3: Cross multiply
    5,416.16x = 8,124.52 × 1,718.67
  4. Step 4: Simplify right side
    5,416.16x = 13,963,389.10
  5. Step 5: Solve for x
    x = 13,963,389.10/5,416.16
  6. Step 6: Final answer
    x = 2,578.10

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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.