Home / 4,709.49-7,064.28-1,422.71

Finding the Fourth Proportional to 4,709.49, 7,064.28 and 1,422.71

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Solution

The fourth proportional to 4,709.49, 7,064.28 and 1,422.71 is: 2,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,709.49 : 7,064.28 = 1,422.71 : x
  2. Step 2: Convert to fraction form
    4,709.49/7,064.28 = 1,422.71/x
  3. Step 3: Cross multiply
    4,709.49x = 7,064.28 × 1,422.71
  4. Step 4: Simplify right side
    4,709.49x = 10,050,452.71
  5. Step 5: Solve for x
    x = 10,050,452.71/4,709.49
  6. Step 6: Final answer
    x = 2,134.08

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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.