Home / 6,130.79-8,457.92-3,771.56

Finding the Fourth Proportional to 6,130.79, 8,457.92 and 3,771.56

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Solution

The fourth proportional to 6,130.79, 8,457.92 and 3,771.56 is: 5,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.79 : 8,457.92 = 3,771.56 : x
  2. Step 2: Convert to fraction form
    6,130.79/8,457.92 = 3,771.56/x
  3. Step 3: Cross multiply
    6,130.79x = 8,457.92 × 3,771.56
  4. Step 4: Simplify right side
    6,130.79x = 31,899,569.19
  5. Step 5: Solve for x
    x = 31,899,569.19/6,130.79
  6. Step 6: Final answer
    x = 5,203.18

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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.