Home / 5,913.50-8,155.58-4,217.77

Finding the Fourth Proportional to 5,913.50, 8,155.58 and 4,217.77

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Solution

The fourth proportional to 5,913.50, 8,155.58 and 4,217.77 is: 5,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.50 : 8,155.58 = 4,217.77 : x
  2. Step 2: Convert to fraction form
    5,913.50/8,155.58 = 4,217.77/x
  3. Step 3: Cross multiply
    5,913.50x = 8,155.58 × 4,217.77
  4. Step 4: Simplify right side
    5,913.50x = 34,398,319.18
  5. Step 5: Solve for x
    x = 34,398,319.18/5,913.50
  6. Step 6: Final answer
    x = 5,816.91

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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.