Home / 6,108.53-8,430.03-3,455.87

Finding the Fourth Proportional to 6,108.53, 8,430.03 and 3,455.87

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Solution

The fourth proportional to 6,108.53, 8,430.03 and 3,455.87 is: 4,769.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,108.53 : 8,430.03 = 3,455.87 : x
  2. Step 2: Convert to fraction form
    6,108.53/8,430.03 = 3,455.87/x
  3. Step 3: Cross multiply
    6,108.53x = 8,430.03 × 3,455.87
  4. Step 4: Simplify right side
    6,108.53x = 29,133,045.63
  5. Step 5: Solve for x
    x = 29,133,045.63/6,108.53
  6. Step 6: Final answer
    x = 4,769.24

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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.