Home / 7,558.90-10,431.12-4,201.66

Finding the Fourth Proportional to 7,558.90, 10,431.12 and 4,201.66

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Solution

The fourth proportional to 7,558.90, 10,431.12 and 4,201.66 is: 5,798.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,558.90 : 10,431.12 = 4,201.66 : x
  2. Step 2: Convert to fraction form
    7,558.90/10,431.12 = 4,201.66/x
  3. Step 3: Cross multiply
    7,558.90x = 10,431.12 × 4,201.66
  4. Step 4: Simplify right side
    7,558.90x = 43,828,019.66
  5. Step 5: Solve for x
    x = 43,828,019.66/7,558.90
  6. Step 6: Final answer
    x = 5,798.20

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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.