Home / 6,356.02-8,775.40-5,179.90

Finding the Fourth Proportional to 6,356.02, 8,775.40 and 5,179.90

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Solution

The fourth proportional to 6,356.02, 8,775.40 and 5,179.90 is: 7,151.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,356.02 : 8,775.40 = 5,179.90 : x
  2. Step 2: Convert to fraction form
    6,356.02/8,775.40 = 5,179.90/x
  3. Step 3: Cross multiply
    6,356.02x = 8,775.40 × 5,179.90
  4. Step 4: Simplify right side
    6,356.02x = 45,455,694.46
  5. Step 5: Solve for x
    x = 45,455,694.46/6,356.02
  6. Step 6: Final answer
    x = 7,151.60

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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.