Home / 7,861.66-10,849.09-4,717.84

Finding the Fourth Proportional to 7,861.66, 10,849.09 and 4,717.84

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Solution

The fourth proportional to 7,861.66, 10,849.09 and 4,717.84 is: 6,510.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,861.66 : 10,849.09 = 4,717.84 : x
  2. Step 2: Convert to fraction form
    7,861.66/10,849.09 = 4,717.84/x
  3. Step 3: Cross multiply
    7,861.66x = 10,849.09 × 4,717.84
  4. Step 4: Simplify right side
    7,861.66x = 51,184,270.77
  5. Step 5: Solve for x
    x = 51,184,270.77/7,861.66
  6. Step 6: Final answer
    x = 6,510.62

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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.