Home / 7,686.16-10,608.42-4,499.80

Finding the Fourth Proportional to 7,686.16, 10,608.42 and 4,499.80

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Solution

The fourth proportional to 7,686.16, 10,608.42 and 4,499.80 is: 6,210.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,686.16 : 10,608.42 = 4,499.80 : x
  2. Step 2: Convert to fraction form
    7,686.16/10,608.42 = 4,499.80/x
  3. Step 3: Cross multiply
    7,686.16x = 10,608.42 × 4,499.80
  4. Step 4: Simplify right side
    7,686.16x = 47,735,768.32
  5. Step 5: Solve for x
    x = 47,735,768.32/7,686.16
  6. Step 6: Final answer
    x = 6,210.61

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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.