Home / 4,159.08-6,239.43-1,386.63

Finding the Fourth Proportional to 4,159.08, 6,239.43 and 1,386.63

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Solution

The fourth proportional to 4,159.08, 6,239.43 and 1,386.63 is: 2,080.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.08 : 6,239.43 = 1,386.63 : x
  2. Step 2: Convert to fraction form
    4,159.08/6,239.43 = 1,386.63/x
  3. Step 3: Cross multiply
    4,159.08x = 6,239.43 × 1,386.63
  4. Step 4: Simplify right side
    4,159.08x = 8,651,780.82
  5. Step 5: Solve for x
    x = 8,651,780.82/4,159.08
  6. Step 6: Final answer
    x = 2,080.22

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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.