Home / 5,461.36-7,535.64-3,102.64

Finding the Fourth Proportional to 5,461.36, 7,535.64 and 3,102.64

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Solution

The fourth proportional to 5,461.36, 7,535.64 and 3,102.64 is: 4,281.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.36 : 7,535.64 = 3,102.64 : x
  2. Step 2: Convert to fraction form
    5,461.36/7,535.64 = 3,102.64/x
  3. Step 3: Cross multiply
    5,461.36x = 7,535.64 × 3,102.64
  4. Step 4: Simplify right side
    5,461.36x = 23,380,378.09
  5. Step 5: Solve for x
    x = 23,380,378.09/5,461.36
  6. Step 6: Final answer
    x = 4,281.05

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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.