Home / 7,715.24-10,653.38-4,731.80

Finding the Fourth Proportional to 7,715.24, 10,653.38 and 4,731.80

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Solution

The fourth proportional to 7,715.24, 10,653.38 and 4,731.80 is: 6,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,715.24 : 10,653.38 = 4,731.80 : x
  2. Step 2: Convert to fraction form
    7,715.24/10,653.38 = 4,731.80/x
  3. Step 3: Cross multiply
    7,715.24x = 10,653.38 × 4,731.80
  4. Step 4: Simplify right side
    7,715.24x = 50,409,586.56
  5. Step 5: Solve for x
    x = 50,409,586.56/7,715.24
  6. Step 6: Final answer
    x = 6,533.77

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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.