Home / 5,889.40-8,125.60-3,530.68

Finding the Fourth Proportional to 5,889.40, 8,125.60 and 3,530.68

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Solution

The fourth proportional to 5,889.40, 8,125.60 and 3,530.68 is: 4,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.40 : 8,125.60 = 3,530.68 : x
  2. Step 2: Convert to fraction form
    5,889.40/8,125.60 = 3,530.68/x
  3. Step 3: Cross multiply
    5,889.40x = 8,125.60 × 3,530.68
  4. Step 4: Simplify right side
    5,889.40x = 28,688,893.41
  5. Step 5: Solve for x
    x = 28,688,893.41/5,889.40
  6. Step 6: Final answer
    x = 4,871.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.