Home / 4,435.65-6,651.15-1,315.22

Finding the Fourth Proportional to 4,435.65, 6,651.15 and 1,315.22

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Solution

The fourth proportional to 4,435.65, 6,651.15 and 1,315.22 is: 1,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,435.65 : 6,651.15 = 1,315.22 : x
  2. Step 2: Convert to fraction form
    4,435.65/6,651.15 = 1,315.22/x
  3. Step 3: Cross multiply
    4,435.65x = 6,651.15 × 1,315.22
  4. Step 4: Simplify right side
    4,435.65x = 8,747,758.34
  5. Step 5: Solve for x
    x = 8,747,758.34/4,435.65
  6. Step 6: Final answer
    x = 1,972.15

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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.