Home / 8,539.47-12,809.59-2,615.93

Finding the Fourth Proportional to 8,539.47, 12,809.59 and 2,615.93

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Solution

The fourth proportional to 8,539.47, 12,809.59 and 2,615.93 is: 3,924.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.47 : 12,809.59 = 2,615.93 : x
  2. Step 2: Convert to fraction form
    8,539.47/12,809.59 = 2,615.93/x
  3. Step 3: Cross multiply
    8,539.47x = 12,809.59 × 2,615.93
  4. Step 4: Simplify right side
    8,539.47x = 33,508,944.15
  5. Step 5: Solve for x
    x = 33,508,944.15/8,539.47
  6. Step 6: Final answer
    x = 3,924.01

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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.