Home / 5,630.40-8,447.42-2,708.32

Finding the Fourth Proportional to 5,630.40, 8,447.42 and 2,708.32

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Solution

The fourth proportional to 5,630.40, 8,447.42 and 2,708.32 is: 4,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,630.40 : 8,447.42 = 2,708.32 : x
  2. Step 2: Convert to fraction form
    5,630.40/8,447.42 = 2,708.32/x
  3. Step 3: Cross multiply
    5,630.40x = 8,447.42 × 2,708.32
  4. Step 4: Simplify right side
    5,630.40x = 22,878,302.99
  5. Step 5: Solve for x
    x = 22,878,302.99/5,630.40
  6. Step 6: Final answer
    x = 4,063.36

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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.