Home / 7,621.10-10,517.53-4,263.72

Finding the Fourth Proportional to 7,621.10, 10,517.53 and 4,263.72

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Solution

The fourth proportional to 7,621.10, 10,517.53 and 4,263.72 is: 5,884.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.10 : 10,517.53 = 4,263.72 : x
  2. Step 2: Convert to fraction form
    7,621.10/10,517.53 = 4,263.72/x
  3. Step 3: Cross multiply
    7,621.10x = 10,517.53 × 4,263.72
  4. Step 4: Simplify right side
    7,621.10x = 44,843,750.42
  5. Step 5: Solve for x
    x = 44,843,750.42/7,621.10
  6. Step 6: Final answer
    x = 5,884.16

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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.