Home / 5,713.12-8,569.59-1,764.28

Finding the Fourth Proportional to 5,713.12, 8,569.59 and 1,764.28

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Solution

The fourth proportional to 5,713.12, 8,569.59 and 1,764.28 is: 2,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.12 : 8,569.59 = 1,764.28 : x
  2. Step 2: Convert to fraction form
    5,713.12/8,569.59 = 1,764.28/x
  3. Step 3: Cross multiply
    5,713.12x = 8,569.59 × 1,764.28
  4. Step 4: Simplify right side
    5,713.12x = 15,119,156.25
  5. Step 5: Solve for x
    x = 15,119,156.25/5,713.12
  6. Step 6: Final answer
    x = 2,646.39

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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.