Home / 5,435.72-7,501.24-3,077.80

Finding the Fourth Proportional to 5,435.72, 7,501.24 and 3,077.80

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Solution

The fourth proportional to 5,435.72, 7,501.24 and 3,077.80 is: 4,247.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.72 : 7,501.24 = 3,077.80 : x
  2. Step 2: Convert to fraction form
    5,435.72/7,501.24 = 3,077.80/x
  3. Step 3: Cross multiply
    5,435.72x = 7,501.24 × 3,077.80
  4. Step 4: Simplify right side
    5,435.72x = 23,087,316.47
  5. Step 5: Solve for x
    x = 23,087,316.47/5,435.72
  6. Step 6: Final answer
    x = 4,247.33

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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.