Home / 7,644.74-10,549.61-4,287.56

Finding the Fourth Proportional to 7,644.74, 10,549.61 and 4,287.56

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Solution

The fourth proportional to 7,644.74, 10,549.61 and 4,287.56 is: 5,916.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.74 : 10,549.61 = 4,287.56 : x
  2. Step 2: Convert to fraction form
    7,644.74/10,549.61 = 4,287.56/x
  3. Step 3: Cross multiply
    7,644.74x = 10,549.61 × 4,287.56
  4. Step 4: Simplify right side
    7,644.74x = 45,232,011.67
  5. Step 5: Solve for x
    x = 45,232,011.67/7,644.74
  6. Step 6: Final answer
    x = 5,916.75

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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.