Home / 6,125.80-9,164.40-5,313.10

Finding the Fourth Proportional to 6,125.80, 9,164.40 and 5,313.10

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Solution

The fourth proportional to 6,125.80, 9,164.40 and 5,313.10 is: 7,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.80 : 9,164.40 = 5,313.10 : x
  2. Step 2: Convert to fraction form
    6,125.80/9,164.40 = 5,313.10/x
  3. Step 3: Cross multiply
    6,125.80x = 9,164.40 × 5,313.10
  4. Step 4: Simplify right side
    6,125.80x = 48,691,373.64
  5. Step 5: Solve for x
    x = 48,691,373.64/6,125.80
  6. Step 6: Final answer
    x = 7,948.57

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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.