Home / 4,478.49-6,715.04-2,628.72

Finding the Fourth Proportional to 4,478.49, 6,715.04 and 2,628.72

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Solution

The fourth proportional to 4,478.49, 6,715.04 and 2,628.72 is: 3,941.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.49 : 6,715.04 = 2,628.72 : x
  2. Step 2: Convert to fraction form
    4,478.49/6,715.04 = 2,628.72/x
  3. Step 3: Cross multiply
    4,478.49x = 6,715.04 × 2,628.72
  4. Step 4: Simplify right side
    4,478.49x = 17,651,946.81
  5. Step 5: Solve for x
    x = 17,651,946.81/4,478.49
  6. Step 6: Final answer
    x = 3,941.50

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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.