Home / 4,213.50-6,319.74-1,440.11

Finding the Fourth Proportional to 4,213.50, 6,319.74 and 1,440.11

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Solution

The fourth proportional to 4,213.50, 6,319.74 and 1,440.11 is: 2,159.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.50 : 6,319.74 = 1,440.11 : x
  2. Step 2: Convert to fraction form
    4,213.50/6,319.74 = 1,440.11/x
  3. Step 3: Cross multiply
    4,213.50x = 6,319.74 × 1,440.11
  4. Step 4: Simplify right side
    4,213.50x = 9,101,089.17
  5. Step 5: Solve for x
    x = 9,101,089.17/4,213.50
  6. Step 6: Final answer
    x = 2,159.98

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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.