Home / 7,018.84-10,516.11-4,550.77

Finding the Fourth Proportional to 7,018.84, 10,516.11 and 4,550.77

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Solution

The fourth proportional to 7,018.84, 10,516.11 and 4,550.77 is: 6,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,018.84 : 10,516.11 = 4,550.77 : x
  2. Step 2: Convert to fraction form
    7,018.84/10,516.11 = 4,550.77/x
  3. Step 3: Cross multiply
    7,018.84x = 10,516.11 × 4,550.77
  4. Step 4: Simplify right side
    7,018.84x = 47,856,397.90
  5. Step 5: Solve for x
    x = 47,856,397.90/7,018.84
  6. Step 6: Final answer
    x = 6,818.28

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1.5x scale

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.