Home / 5,810.47-8,018.48-3,157.90

Finding the Fourth Proportional to 5,810.47, 8,018.48 and 3,157.90

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Solution

The fourth proportional to 5,810.47, 8,018.48 and 3,157.90 is: 4,357.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,810.47 : 8,018.48 = 3,157.90 : x
  2. Step 2: Convert to fraction form
    5,810.47/8,018.48 = 3,157.90/x
  3. Step 3: Cross multiply
    5,810.47x = 8,018.48 × 3,157.90
  4. Step 4: Simplify right side
    5,810.47x = 25,321,557.99
  5. Step 5: Solve for x
    x = 25,321,557.99/5,810.47
  6. Step 6: Final answer
    x = 4,357.92

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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.