Home / 5,285.81-7,301.54-4,912.19

Finding the Fourth Proportional to 5,285.81, 7,301.54 and 4,912.19

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Solution

The fourth proportional to 5,285.81, 7,301.54 and 4,912.19 is: 6,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.81 : 7,301.54 = 4,912.19 : x
  2. Step 2: Convert to fraction form
    5,285.81/7,301.54 = 4,912.19/x
  3. Step 3: Cross multiply
    5,285.81x = 7,301.54 × 4,912.19
  4. Step 4: Simplify right side
    5,285.81x = 35,866,596.00
  5. Step 5: Solve for x
    x = 35,866,596.00/5,285.81
  6. Step 6: Final answer
    x = 6,785.45

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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.