Home / 6,535.15-9,015.03-4,140.89

Finding the Fourth Proportional to 6,535.15, 9,015.03 and 4,140.89

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Solution

The fourth proportional to 6,535.15, 9,015.03 and 4,140.89 is: 5,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,535.15 : 9,015.03 = 4,140.89 : x
  2. Step 2: Convert to fraction form
    6,535.15/9,015.03 = 4,140.89/x
  3. Step 3: Cross multiply
    6,535.15x = 9,015.03 × 4,140.89
  4. Step 4: Simplify right side
    6,535.15x = 37,330,236.31
  5. Step 5: Solve for x
    x = 37,330,236.31/6,535.15
  6. Step 6: Final answer
    x = 5,712.23

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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.