Home / 8,339.72-11,503.80-5,507.12

Finding the Fourth Proportional to 8,339.72, 11,503.80 and 5,507.12

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Solution

The fourth proportional to 8,339.72, 11,503.80 and 5,507.12 is: 7,596.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,339.72 : 11,503.80 = 5,507.12 : x
  2. Step 2: Convert to fraction form
    8,339.72/11,503.80 = 5,507.12/x
  3. Step 3: Cross multiply
    8,339.72x = 11,503.80 × 5,507.12
  4. Step 4: Simplify right side
    8,339.72x = 63,352,807.06
  5. Step 5: Solve for x
    x = 63,352,807.06/8,339.72
  6. Step 6: Final answer
    x = 7,596.51

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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.