Home / 7,644.02-10,549.24-4,286.78

Finding the Fourth Proportional to 7,644.02, 10,549.24 and 4,286.78

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Solution

The fourth proportional to 7,644.02, 10,549.24 and 4,286.78 is: 5,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.02 : 10,549.24 = 4,286.78 : x
  2. Step 2: Convert to fraction form
    7,644.02/10,549.24 = 4,286.78/x
  3. Step 3: Cross multiply
    7,644.02x = 10,549.24 × 4,286.78
  4. Step 4: Simplify right side
    7,644.02x = 45,222,271.05
  5. Step 5: Solve for x
    x = 45,222,271.05/7,644.02
  6. Step 6: Final answer
    x = 5,916.03

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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.