Home / 6,358.02-8,775.99-4,120.02

Finding the Fourth Proportional to 6,358.02, 8,775.99 and 4,120.02

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Solution

The fourth proportional to 6,358.02, 8,775.99 and 4,120.02 is: 5,686.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,358.02 : 8,775.99 = 4,120.02 : x
  2. Step 2: Convert to fraction form
    6,358.02/8,775.99 = 4,120.02/x
  3. Step 3: Cross multiply
    6,358.02x = 8,775.99 × 4,120.02
  4. Step 4: Simplify right side
    6,358.02x = 36,157,254.32
  5. Step 5: Solve for x
    x = 36,157,254.32/6,358.02
  6. Step 6: Final answer
    x = 5,686.87

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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.