Home / 7,816.16-10,776.24-5,020.64

Finding the Fourth Proportional to 7,816.16, 10,776.24 and 5,020.64

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Solution

The fourth proportional to 7,816.16, 10,776.24 and 5,020.64 is: 6,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.16 : 10,776.24 = 5,020.64 : x
  2. Step 2: Convert to fraction form
    7,816.16/10,776.24 = 5,020.64/x
  3. Step 3: Cross multiply
    7,816.16x = 10,776.24 × 5,020.64
  4. Step 4: Simplify right side
    7,816.16x = 54,103,621.59
  5. Step 5: Solve for x
    x = 54,103,621.59/7,816.16
  6. Step 6: Final answer
    x = 6,922.02

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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.