Home / 6,102.70-9,155.55-1,720.10

Finding the Fourth Proportional to 6,102.70, 9,155.55 and 1,720.10

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Solution

The fourth proportional to 6,102.70, 9,155.55 and 1,720.10 is: 2,580.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.70 : 9,155.55 = 1,720.10 : x
  2. Step 2: Convert to fraction form
    6,102.70/9,155.55 = 1,720.10/x
  3. Step 3: Cross multiply
    6,102.70x = 9,155.55 × 1,720.10
  4. Step 4: Simplify right side
    6,102.70x = 15,748,461.56
  5. Step 5: Solve for x
    x = 15,748,461.56/6,102.70
  6. Step 6: Final answer
    x = 2,580.57

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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.