Home / 4,342.20-6,515.12-1,875.75

Finding the Fourth Proportional to 4,342.20, 6,515.12 and 1,875.75

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Solution

The fourth proportional to 4,342.20, 6,515.12 and 1,875.75 is: 2,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,342.20 : 6,515.12 = 1,875.75 : x
  2. Step 2: Convert to fraction form
    4,342.20/6,515.12 = 1,875.75/x
  3. Step 3: Cross multiply
    4,342.20x = 6,515.12 × 1,875.75
  4. Step 4: Simplify right side
    4,342.20x = 12,220,736.34
  5. Step 5: Solve for x
    x = 12,220,736.34/4,342.20
  6. Step 6: Final answer
    x = 2,814.41

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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.