Home / 4,357.98-6,537.51-1,438.20

Finding the Fourth Proportional to 4,357.98, 6,537.51 and 1,438.20

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Solution

The fourth proportional to 4,357.98, 6,537.51 and 1,438.20 is: 2,157.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,357.98 : 6,537.51 = 1,438.20 : x
  2. Step 2: Convert to fraction form
    4,357.98/6,537.51 = 1,438.20/x
  3. Step 3: Cross multiply
    4,357.98x = 6,537.51 × 1,438.20
  4. Step 4: Simplify right side
    4,357.98x = 9,402,246.88
  5. Step 5: Solve for x
    x = 9,402,246.88/4,357.98
  6. Step 6: Final answer
    x = 2,157.48

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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.