Home / 4,947.21-7,421.55-1,437.25

Finding the Fourth Proportional to 4,947.21, 7,421.55 and 1,437.25

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Solution

The fourth proportional to 4,947.21, 7,421.55 and 1,437.25 is: 2,156.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.21 : 7,421.55 = 1,437.25 : x
  2. Step 2: Convert to fraction form
    4,947.21/7,421.55 = 1,437.25/x
  3. Step 3: Cross multiply
    4,947.21x = 7,421.55 × 1,437.25
  4. Step 4: Simplify right side
    4,947.21x = 10,666,578.44
  5. Step 5: Solve for x
    x = 10,666,578.44/4,947.21
  6. Step 6: Final answer
    x = 2,156.08

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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.