Home / 4,659.15-6,988.59-1,539.30

Finding the Fourth Proportional to 4,659.15, 6,988.59 and 1,539.30

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Solution

The fourth proportional to 4,659.15, 6,988.59 and 1,539.30 is: 2,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,659.15 : 6,988.59 = 1,539.30 : x
  2. Step 2: Convert to fraction form
    4,659.15/6,988.59 = 1,539.30/x
  3. Step 3: Cross multiply
    4,659.15x = 6,988.59 × 1,539.30
  4. Step 4: Simplify right side
    4,659.15x = 10,757,536.59
  5. Step 5: Solve for x
    x = 10,757,536.59/4,659.15
  6. Step 6: Final answer
    x = 2,308.91

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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.