Home / 4,290.48-6,437.74-1,519.24

Finding the Fourth Proportional to 4,290.48, 6,437.74 and 1,519.24

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Solution

The fourth proportional to 4,290.48, 6,437.74 and 1,519.24 is: 2,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.48 : 6,437.74 = 1,519.24 : x
  2. Step 2: Convert to fraction form
    4,290.48/6,437.74 = 1,519.24/x
  3. Step 3: Cross multiply
    4,290.48x = 6,437.74 × 1,519.24
  4. Step 4: Simplify right side
    4,290.48x = 9,780,472.12
  5. Step 5: Solve for x
    x = 9,780,472.12/4,290.48
  6. Step 6: Final answer
    x = 2,279.58

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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.