Home / 7,687.16-10,608.53-4,500.77

Finding the Fourth Proportional to 7,687.16, 10,608.53 and 4,500.77

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Solution

The fourth proportional to 7,687.16, 10,608.53 and 4,500.77 is: 6,211.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687.16 : 10,608.53 = 4,500.77 : x
  2. Step 2: Convert to fraction form
    7,687.16/10,608.53 = 4,500.77/x
  3. Step 3: Cross multiply
    7,687.16x = 10,608.53 × 4,500.77
  4. Step 4: Simplify right side
    7,687.16x = 47,746,553.57
  5. Step 5: Solve for x
    x = 47,746,553.57/7,687.16
  6. Step 6: Final answer
    x = 6,211.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.