Home / 5,890.64-8,130.26-3,500.15

Finding the Fourth Proportional to 5,890.64, 8,130.26 and 3,500.15

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Solution

The fourth proportional to 5,890.64, 8,130.26 and 3,500.15 is: 4,830.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.64 : 8,130.26 = 3,500.15 : x
  2. Step 2: Convert to fraction form
    5,890.64/8,130.26 = 3,500.15/x
  3. Step 3: Cross multiply
    5,890.64x = 8,130.26 × 3,500.15
  4. Step 4: Simplify right side
    5,890.64x = 28,457,158.62
  5. Step 5: Solve for x
    x = 28,457,158.62/5,890.64
  6. Step 6: Final answer
    x = 4,830.92

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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.