Home / 7,412.47-10,227.53-4,427.72

Finding the Fourth Proportional to 7,412.47, 10,227.53 and 4,427.72

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Solution

The fourth proportional to 7,412.47, 10,227.53 and 4,427.72 is: 6,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412.47 : 10,227.53 = 4,427.72 : x
  2. Step 2: Convert to fraction form
    7,412.47/10,227.53 = 4,427.72/x
  3. Step 3: Cross multiply
    7,412.47x = 10,227.53 × 4,427.72
  4. Step 4: Simplify right side
    7,412.47x = 45,284,637.42
  5. Step 5: Solve for x
    x = 45,284,637.42/7,412.47
  6. Step 6: Final answer
    x = 6,109.25

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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.