Home / 5,558.10-7,670.18-3,040.22

Finding the Fourth Proportional to 5,558.10, 7,670.18 and 3,040.22

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Solution

The fourth proportional to 5,558.10, 7,670.18 and 3,040.22 is: 4,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.10 : 7,670.18 = 3,040.22 : x
  2. Step 2: Convert to fraction form
    5,558.10/7,670.18 = 3,040.22/x
  3. Step 3: Cross multiply
    5,558.10x = 7,670.18 × 3,040.22
  4. Step 4: Simplify right side
    5,558.10x = 23,319,034.64
  5. Step 5: Solve for x
    x = 23,319,034.64/5,558.10
  6. Step 6: Final answer
    x = 4,195.50

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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.