Home / 6,130.40-8,457.06-4,141.60

Finding the Fourth Proportional to 6,130.40, 8,457.06 and 4,141.60

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Solution

The fourth proportional to 6,130.40, 8,457.06 and 4,141.60 is: 5,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.40 : 8,457.06 = 4,141.60 : x
  2. Step 2: Convert to fraction form
    6,130.40/8,457.06 = 4,141.60/x
  3. Step 3: Cross multiply
    6,130.40x = 8,457.06 × 4,141.60
  4. Step 4: Simplify right side
    6,130.40x = 35,025,759.70
  5. Step 5: Solve for x
    x = 35,025,759.70/6,130.40
  6. Step 6: Final answer
    x = 5,713.45

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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.