Home / 7,227.28-10,851.30-4,459.40

Finding the Fourth Proportional to 7,227.28, 10,851.30 and 4,459.40

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Solution

The fourth proportional to 7,227.28, 10,851.30 and 4,459.40 is: 6,695.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.28 : 10,851.30 = 4,459.40 : x
  2. Step 2: Convert to fraction form
    7,227.28/10,851.30 = 4,459.40/x
  3. Step 3: Cross multiply
    7,227.28x = 10,851.30 × 4,459.40
  4. Step 4: Simplify right side
    7,227.28x = 48,390,287.22
  5. Step 5: Solve for x
    x = 48,390,287.22/7,227.28
  6. Step 6: Final answer
    x = 6,695.50

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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.