Home / 5,715.54-8,573.85-1,555.38

Finding the Fourth Proportional to 5,715.54, 8,573.85 and 1,555.38

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Solution

The fourth proportional to 5,715.54, 8,573.85 and 1,555.38 is: 2,333.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.54 : 8,573.85 = 1,555.38 : x
  2. Step 2: Convert to fraction form
    5,715.54/8,573.85 = 1,555.38/x
  3. Step 3: Cross multiply
    5,715.54x = 8,573.85 × 1,555.38
  4. Step 4: Simplify right side
    5,715.54x = 13,335,594.81
  5. Step 5: Solve for x
    x = 13,335,594.81/5,715.54
  6. Step 6: Final answer
    x = 2,333.22

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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.