Home / 4,725.47-7,086.15-1,437.80

Finding the Fourth Proportional to 4,725.47, 7,086.15 and 1,437.80

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Solution

The fourth proportional to 4,725.47, 7,086.15 and 1,437.80 is: 2,156.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,725.47 : 7,086.15 = 1,437.80 : x
  2. Step 2: Convert to fraction form
    4,725.47/7,086.15 = 1,437.80/x
  3. Step 3: Cross multiply
    4,725.47x = 7,086.15 × 1,437.80
  4. Step 4: Simplify right side
    4,725.47x = 10,188,466.47
  5. Step 5: Solve for x
    x = 10,188,466.47/4,725.47
  6. Step 6: Final answer
    x = 2,156.07

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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.