Home / 6,639.64-9,956.58-2,478.04

Finding the Fourth Proportional to 6,639.64, 9,956.58 and 2,478.04

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Solution

The fourth proportional to 6,639.64, 9,956.58 and 2,478.04 is: 3,715.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,639.64 : 9,956.58 = 2,478.04 : x
  2. Step 2: Convert to fraction form
    6,639.64/9,956.58 = 2,478.04/x
  3. Step 3: Cross multiply
    6,639.64x = 9,956.58 × 2,478.04
  4. Step 4: Simplify right side
    6,639.64x = 24,672,803.50
  5. Step 5: Solve for x
    x = 24,672,803.50/6,639.64
  6. Step 6: Final answer
    x = 3,715.99

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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.