Home / 5,113.63-7,628.86-4,636.17

Finding the Fourth Proportional to 5,113.63, 7,628.86 and 4,636.17

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Solution

The fourth proportional to 5,113.63, 7,628.86 and 4,636.17 is: 6,916.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.63 : 7,628.86 = 4,636.17 : x
  2. Step 2: Convert to fraction form
    5,113.63/7,628.86 = 4,636.17/x
  3. Step 3: Cross multiply
    5,113.63x = 7,628.86 × 4,636.17
  4. Step 4: Simplify right side
    5,113.63x = 35,368,691.87
  5. Step 5: Solve for x
    x = 35,368,691.87/5,113.63
  6. Step 6: Final answer
    x = 6,916.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.