Home / 7,622.61-10,519.32-4,638.57

Finding the Fourth Proportional to 7,622.61, 10,519.32 and 4,638.57

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Solution

The fourth proportional to 7,622.61, 10,519.32 and 4,638.57 is: 6,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,622.61 : 10,519.32 = 4,638.57 : x
  2. Step 2: Convert to fraction form
    7,622.61/10,519.32 = 4,638.57/x
  3. Step 3: Cross multiply
    7,622.61x = 10,519.32 × 4,638.57
  4. Step 4: Simplify right side
    7,622.61x = 48,794,602.17
  5. Step 5: Solve for x
    x = 48,794,602.17/7,622.61
  6. Step 6: Final answer
    x = 6,401.30

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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.