Home / 5,674.30-8,511.45-1,570.30

Finding the Fourth Proportional to 5,674.30, 8,511.45 and 1,570.30

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Solution

The fourth proportional to 5,674.30, 8,511.45 and 1,570.30 is: 2,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,674.30 : 8,511.45 = 1,570.30 : x
  2. Step 2: Convert to fraction form
    5,674.30/8,511.45 = 1,570.30/x
  3. Step 3: Cross multiply
    5,674.30x = 8,511.45 × 1,570.30
  4. Step 4: Simplify right side
    5,674.30x = 13,365,529.94
  5. Step 5: Solve for x
    x = 13,365,529.94/5,674.30
  6. Step 6: Final answer
    x = 2,355.45

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Similar ratio
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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.