Home / 6,155.18-8,494.03-3,360.70

Finding the Fourth Proportional to 6,155.18, 8,494.03 and 3,360.70

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Solution

The fourth proportional to 6,155.18, 8,494.03 and 3,360.70 is: 4,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,155.18 : 8,494.03 = 3,360.70 : x
  2. Step 2: Convert to fraction form
    6,155.18/8,494.03 = 3,360.70/x
  3. Step 3: Cross multiply
    6,155.18x = 8,494.03 × 3,360.70
  4. Step 4: Simplify right side
    6,155.18x = 28,545,886.62
  5. Step 5: Solve for x
    x = 28,545,886.62/6,155.18
  6. Step 6: Final answer
    x = 4,637.70

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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.