Home / 5,730.08-8,595.45-1,781.72

Finding the Fourth Proportional to 5,730.08, 8,595.45 and 1,781.72

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Solution

The fourth proportional to 5,730.08, 8,595.45 and 1,781.72 is: 2,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,730.08 : 8,595.45 = 1,781.72 : x
  2. Step 2: Convert to fraction form
    5,730.08/8,595.45 = 1,781.72/x
  3. Step 3: Cross multiply
    5,730.08x = 8,595.45 × 1,781.72
  4. Step 4: Simplify right side
    5,730.08x = 15,314,685.17
  5. Step 5: Solve for x
    x = 15,314,685.17/5,730.08
  6. Step 6: Final answer
    x = 2,672.68

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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.