Home / 5,810.58-8,018.64-3,420.65

Finding the Fourth Proportional to 5,810.58, 8,018.64 and 3,420.65

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Solution

The fourth proportional to 5,810.58, 8,018.64 and 3,420.65 is: 4,720.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.58 : 8,018.64 = 3,420.65 : x
  2. Step 2: Convert to fraction form
    5,810.58/8,018.64 = 3,420.65/x
  3. Step 3: Cross multiply
    5,810.58x = 8,018.64 × 3,420.65
  4. Step 4: Simplify right side
    5,810.58x = 27,428,920.82
  5. Step 5: Solve for x
    x = 27,428,920.82/5,810.58
  6. Step 6: Final answer
    x = 4,720.51

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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.