Home / 7,621.29-10,518.34-4,636.94

Finding the Fourth Proportional to 7,621.29, 10,518.34 and 4,636.94

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Solution

The fourth proportional to 7,621.29, 10,518.34 and 4,636.94 is: 6,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.29 : 10,518.34 = 4,636.94 : x
  2. Step 2: Convert to fraction form
    7,621.29/10,518.34 = 4,636.94/x
  3. Step 3: Cross multiply
    7,621.29x = 10,518.34 × 4,636.94
  4. Step 4: Simplify right side
    7,621.29x = 48,772,899.89
  5. Step 5: Solve for x
    x = 48,772,899.89/7,621.29
  6. Step 6: Final answer
    x = 6,399.56

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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.