Home / 8,725.47-13,081.32-4,340.54

Finding the Fourth Proportional to 8,725.47, 13,081.32 and 4,340.54

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Solution

The fourth proportional to 8,725.47, 13,081.32 and 4,340.54 is: 6,507.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.47 : 13,081.32 = 4,340.54 : x
  2. Step 2: Convert to fraction form
    8,725.47/13,081.32 = 4,340.54/x
  3. Step 3: Cross multiply
    8,725.47x = 13,081.32 × 4,340.54
  4. Step 4: Simplify right side
    8,725.47x = 56,779,927.31
  5. Step 5: Solve for x
    x = 56,779,927.31/8,725.47
  6. Step 6: Final answer
    x = 6,507.38

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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.