Home / 6,519.24-9,779.10-2,816.40

Finding the Fourth Proportional to 6,519.24, 9,779.10 and 2,816.40

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Solution

The fourth proportional to 6,519.24, 9,779.10 and 2,816.40 is: 4,224.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,519.24 : 9,779.10 = 2,816.40 : x
  2. Step 2: Convert to fraction form
    6,519.24/9,779.10 = 2,816.40/x
  3. Step 3: Cross multiply
    6,519.24x = 9,779.10 × 2,816.40
  4. Step 4: Simplify right side
    6,519.24x = 27,541,857.24
  5. Step 5: Solve for x
    x = 27,541,857.24/6,519.24
  6. Step 6: Final answer
    x = 4,224.70

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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.