Home / 5,575.71-8,364.79-1,877.82

Finding the Fourth Proportional to 5,575.71, 8,364.79 and 1,877.82

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Solution

The fourth proportional to 5,575.71, 8,364.79 and 1,877.82 is: 2,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,575.71 : 8,364.79 = 1,877.82 : x
  2. Step 2: Convert to fraction form
    5,575.71/8,364.79 = 1,877.82/x
  3. Step 3: Cross multiply
    5,575.71x = 8,364.79 × 1,877.82
  4. Step 4: Simplify right side
    5,575.71x = 15,707,528.13
  5. Step 5: Solve for x
    x = 15,707,528.13/5,575.71
  6. Step 6: Final answer
    x = 2,817.14

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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.