Home / 4,715.28-6,501.06-3,639.60

Finding the Fourth Proportional to 4,715.28, 6,501.06 and 3,639.60

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Solution

The fourth proportional to 4,715.28, 6,501.06 and 3,639.60 is: 5,018.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,715.28 : 6,501.06 = 3,639.60 : x
  2. Step 2: Convert to fraction form
    4,715.28/6,501.06 = 3,639.60/x
  3. Step 3: Cross multiply
    4,715.28x = 6,501.06 × 3,639.60
  4. Step 4: Simplify right side
    4,715.28x = 23,661,257.98
  5. Step 5: Solve for x
    x = 23,661,257.98/4,715.28
  6. Step 6: Final answer
    x = 5,018.00

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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.