Home / 4,742.85-6,545.53-2,618.58

Finding the Fourth Proportional to 4,742.85, 6,545.53 and 2,618.58

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Solution

The fourth proportional to 4,742.85, 6,545.53 and 2,618.58 is: 3,613.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,742.85 : 6,545.53 = 2,618.58 : x
  2. Step 2: Convert to fraction form
    4,742.85/6,545.53 = 2,618.58/x
  3. Step 3: Cross multiply
    4,742.85x = 6,545.53 × 2,618.58
  4. Step 4: Simplify right side
    4,742.85x = 17,139,970.22
  5. Step 5: Solve for x
    x = 17,139,970.22/4,742.85
  6. Step 6: Final answer
    x = 3,613.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.