Home / 5,581.58-8,364.50-4,406.40

Finding the Fourth Proportional to 5,581.58, 8,364.50 and 4,406.40

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Solution

The fourth proportional to 5,581.58, 8,364.50 and 4,406.40 is: 6,603.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,581.58 : 8,364.50 = 4,406.40 : x
  2. Step 2: Convert to fraction form
    5,581.58/8,364.50 = 4,406.40/x
  3. Step 3: Cross multiply
    5,581.58x = 8,364.50 × 4,406.40
  4. Step 4: Simplify right side
    5,581.58x = 36,857,332.80
  5. Step 5: Solve for x
    x = 36,857,332.80/5,581.58
  6. Step 6: Final answer
    x = 6,603.39

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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.