Home / 8,725.47-13,088.88-5,239.23

Finding the Fourth Proportional to 8,725.47, 13,088.88 and 5,239.23

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Solution

The fourth proportional to 8,725.47, 13,088.88 and 5,239.23 is: 7,859.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,725.47 : 13,088.88 = 5,239.23 : x
  2. Step 2: Convert to fraction form
    8,725.47/13,088.88 = 5,239.23/x
  3. Step 3: Cross multiply
    8,725.47x = 13,088.88 × 5,239.23
  4. Step 4: Simplify right side
    8,725.47x = 68,575,652.76
  5. Step 5: Solve for x
    x = 68,575,652.76/8,725.47
  6. Step 6: Final answer
    x = 7,859.25

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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.