Home / 5,815.16-8,011.36-4,043.69

Finding the Fourth Proportional to 5,815.16, 8,011.36 and 4,043.69

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Solution

The fourth proportional to 5,815.16, 8,011.36 and 4,043.69 is: 5,570.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.16 : 8,011.36 = 4,043.69 : x
  2. Step 2: Convert to fraction form
    5,815.16/8,011.36 = 4,043.69/x
  3. Step 3: Cross multiply
    5,815.16x = 8,011.36 × 4,043.69
  4. Step 4: Simplify right side
    5,815.16x = 32,395,456.32
  5. Step 5: Solve for x
    x = 32,395,456.32/5,815.16
  6. Step 6: Final answer
    x = 5,570.86

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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.