Home / 5,613.36-8,427.33-4,315.74

Finding the Fourth Proportional to 5,613.36, 8,427.33 and 4,315.74

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Solution

The fourth proportional to 5,613.36, 8,427.33 and 4,315.74 is: 6,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.36 : 8,427.33 = 4,315.74 : x
  2. Step 2: Convert to fraction form
    5,613.36/8,427.33 = 4,315.74/x
  3. Step 3: Cross multiply
    5,613.36x = 8,427.33 × 4,315.74
  4. Step 4: Simplify right side
    5,613.36x = 36,370,165.17
  5. Step 5: Solve for x
    x = 36,370,165.17/5,613.36
  6. Step 6: Final answer
    x = 6,479.21

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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.