Home / 7,737.72-11,606.58-2,807.28

Finding the Fourth Proportional to 7,737.72, 11,606.58 and 2,807.28

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Solution

The fourth proportional to 7,737.72, 11,606.58 and 2,807.28 is: 4,210.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.72 : 11,606.58 = 2,807.28 : x
  2. Step 2: Convert to fraction form
    7,737.72/11,606.58 = 2,807.28/x
  3. Step 3: Cross multiply
    7,737.72x = 11,606.58 × 2,807.28
  4. Step 4: Simplify right side
    7,737.72x = 32,582,919.90
  5. Step 5: Solve for x
    x = 32,582,919.90/7,737.72
  6. Step 6: Final answer
    x = 4,210.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.