Home / 7,125.06-10,688.94-2,962.81

Finding the Fourth Proportional to 7,125.06, 10,688.94 and 2,962.81

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Solution

The fourth proportional to 7,125.06, 10,688.94 and 2,962.81 is: 4,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,125.06 : 10,688.94 = 2,962.81 : x
  2. Step 2: Convert to fraction form
    7,125.06/10,688.94 = 2,962.81/x
  3. Step 3: Cross multiply
    7,125.06x = 10,688.94 × 2,962.81
  4. Step 4: Simplify right side
    7,125.06x = 31,669,298.32
  5. Step 5: Solve for x
    x = 31,669,298.32/7,125.06
  6. Step 6: Final answer
    x = 4,444.78

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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.