Home / 5,535.48-7,639.50-4,135.80

Finding the Fourth Proportional to 5,535.48, 7,639.50 and 4,135.80

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Solution

The fourth proportional to 5,535.48, 7,639.50 and 4,135.80 is: 5,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,535.48 : 7,639.50 = 4,135.80 : x
  2. Step 2: Convert to fraction form
    5,535.48/7,639.50 = 4,135.80/x
  3. Step 3: Cross multiply
    5,535.48x = 7,639.50 × 4,135.80
  4. Step 4: Simplify right side
    5,535.48x = 31,595,444.10
  5. Step 5: Solve for x
    x = 31,595,444.10/5,535.48
  6. Step 6: Final answer
    x = 5,707.81

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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.