Home / 8,561.30-11,810.61-5,373.54

Finding the Fourth Proportional to 8,561.30, 11,810.61 and 5,373.54

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Solution

The fourth proportional to 8,561.30, 11,810.61 and 5,373.54 is: 7,412.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,561.30 : 11,810.61 = 5,373.54 : x
  2. Step 2: Convert to fraction form
    8,561.30/11,810.61 = 5,373.54/x
  3. Step 3: Cross multiply
    8,561.30x = 11,810.61 × 5,373.54
  4. Step 4: Simplify right side
    8,561.30x = 63,464,785.26
  5. Step 5: Solve for x
    x = 63,464,785.26/8,561.30
  6. Step 6: Final answer
    x = 7,412.99

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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.