Home / 5,713.86-8,570.70-1,818.21

Finding the Fourth Proportional to 5,713.86, 8,570.70 and 1,818.21

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Solution

The fourth proportional to 5,713.86, 8,570.70 and 1,818.21 is: 2,727.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,713.86 : 8,570.70 = 1,818.21 : x
  2. Step 2: Convert to fraction form
    5,713.86/8,570.70 = 1,818.21/x
  3. Step 3: Cross multiply
    5,713.86x = 8,570.70 × 1,818.21
  4. Step 4: Simplify right side
    5,713.86x = 15,583,332.45
  5. Step 5: Solve for x
    x = 15,583,332.45/5,713.86
  6. Step 6: Final answer
    x = 2,727.29

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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.