Home / 4,812.49-7,218.28-1,527.74

Finding the Fourth Proportional to 4,812.49, 7,218.28 and 1,527.74

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Solution

The fourth proportional to 4,812.49, 7,218.28 and 1,527.74 is: 2,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.49 : 7,218.28 = 1,527.74 : x
  2. Step 2: Convert to fraction form
    4,812.49/7,218.28 = 1,527.74/x
  3. Step 3: Cross multiply
    4,812.49x = 7,218.28 × 1,527.74
  4. Step 4: Simplify right side
    4,812.49x = 11,027,655.09
  5. Step 5: Solve for x
    x = 11,027,655.09/4,812.49
  6. Step 6: Final answer
    x = 2,291.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.