Home / 4,281.48-6,422.12-1,972.98

Finding the Fourth Proportional to 4,281.48, 6,422.12 and 1,972.98

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Solution

The fourth proportional to 4,281.48, 6,422.12 and 1,972.98 is: 2,959.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.48 : 6,422.12 = 1,972.98 : x
  2. Step 2: Convert to fraction form
    4,281.48/6,422.12 = 1,972.98/x
  3. Step 3: Cross multiply
    4,281.48x = 6,422.12 × 1,972.98
  4. Step 4: Simplify right side
    4,281.48x = 12,670,714.32
  5. Step 5: Solve for x
    x = 12,670,714.32/4,281.48
  6. Step 6: Final answer
    x = 2,959.42

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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.