Home / 5,571.70-8,357.55-3,603.40

Finding the Fourth Proportional to 5,571.70, 8,357.55 and 3,603.40

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Solution

The fourth proportional to 5,571.70, 8,357.55 and 3,603.40 is: 5,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,571.70 : 8,357.55 = 3,603.40 : x
  2. Step 2: Convert to fraction form
    5,571.70/8,357.55 = 3,603.40/x
  3. Step 3: Cross multiply
    5,571.70x = 8,357.55 × 3,603.40
  4. Step 4: Simplify right side
    5,571.70x = 30,115,595.67
  5. Step 5: Solve for x
    x = 30,115,595.67/5,571.70
  6. Step 6: Final answer
    x = 5,405.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.