Home / 5,715.02-8,573.34-1,818.12

Finding the Fourth Proportional to 5,715.02, 8,573.34 and 1,818.12

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Solution

The fourth proportional to 5,715.02, 8,573.34 and 1,818.12 is: 2,727.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.02 : 8,573.34 = 1,818.12 : x
  2. Step 2: Convert to fraction form
    5,715.02/8,573.34 = 1,818.12/x
  3. Step 3: Cross multiply
    5,715.02x = 8,573.34 × 1,818.12
  4. Step 4: Simplify right side
    5,715.02x = 15,587,360.92
  5. Step 5: Solve for x
    x = 15,587,360.92/5,715.02
  6. Step 6: Final answer
    x = 2,727.44

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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.