Home / 5,639.44-8,411.48-5,314.22

Finding the Fourth Proportional to 5,639.44, 8,411.48 and 5,314.22

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Solution

The fourth proportional to 5,639.44, 8,411.48 and 5,314.22 is: 7,926.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,639.44 : 8,411.48 = 5,314.22 : x
  2. Step 2: Convert to fraction form
    5,639.44/8,411.48 = 5,314.22/x
  3. Step 3: Cross multiply
    5,639.44x = 8,411.48 × 5,314.22
  4. Step 4: Simplify right side
    5,639.44x = 44,700,428.67
  5. Step 5: Solve for x
    x = 44,700,428.67/5,639.44
  6. Step 6: Final answer
    x = 7,926.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.