Home / 7,737.60-11,606.34-2,807.22

Finding the Fourth Proportional to 7,737.60, 11,606.34 and 2,807.22

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Solution

The fourth proportional to 7,737.60, 11,606.34 and 2,807.22 is: 4,210.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,737.60 : 11,606.34 = 2,807.22 : x
  2. Step 2: Convert to fraction form
    7,737.60/11,606.34 = 2,807.22/x
  3. Step 3: Cross multiply
    7,737.60x = 11,606.34 × 2,807.22
  4. Step 4: Simplify right side
    7,737.60x = 32,581,549.77
  5. Step 5: Solve for x
    x = 32,581,549.77/7,737.60
  6. Step 6: Final answer
    x = 4,210.81

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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.