Home / 5,366.02-8,012.32-4,807.12

Finding the Fourth Proportional to 5,366.02, 8,012.32 and 4,807.12

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Solution

The fourth proportional to 5,366.02, 8,012.32 and 4,807.12 is: 7,177.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.02 : 8,012.32 = 4,807.12 : x
  2. Step 2: Convert to fraction form
    5,366.02/8,012.32 = 4,807.12/x
  3. Step 3: Cross multiply
    5,366.02x = 8,012.32 × 4,807.12
  4. Step 4: Simplify right side
    5,366.02x = 38,516,183.72
  5. Step 5: Solve for x
    x = 38,516,183.72/5,366.02
  6. Step 6: Final answer
    x = 7,177.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.