Home / 4,479.48-6,720.18-1,706.21

Finding the Fourth Proportional to 4,479.48, 6,720.18 and 1,706.21

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Solution

The fourth proportional to 4,479.48, 6,720.18 and 1,706.21 is: 2,559.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.48 : 6,720.18 = 1,706.21 : x
  2. Step 2: Convert to fraction form
    4,479.48/6,720.18 = 1,706.21/x
  3. Step 3: Cross multiply
    4,479.48x = 6,720.18 × 1,706.21
  4. Step 4: Simplify right side
    4,479.48x = 11,466,038.32
  5. Step 5: Solve for x
    x = 11,466,038.32/4,479.48
  6. Step 6: Final answer
    x = 2,559.68

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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.