Home / 5,387.10-8,080.92-1,924.35

Finding the Fourth Proportional to 5,387.10, 8,080.92 and 1,924.35

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Solution

The fourth proportional to 5,387.10, 8,080.92 and 1,924.35 is: 2,886.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.10 : 8,080.92 = 1,924.35 : x
  2. Step 2: Convert to fraction form
    5,387.10/8,080.92 = 1,924.35/x
  3. Step 3: Cross multiply
    5,387.10x = 8,080.92 × 1,924.35
  4. Step 4: Simplify right side
    5,387.10x = 15,550,518.40
  5. Step 5: Solve for x
    x = 15,550,518.40/5,387.10
  6. Step 6: Final answer
    x = 2,886.62

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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.