Home / 5,618.08-7,752.95-3,100.19

Finding the Fourth Proportional to 5,618.08, 7,752.95 and 3,100.19

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Solution

The fourth proportional to 5,618.08, 7,752.95 and 3,100.19 is: 4,278.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,618.08 : 7,752.95 = 3,100.19 : x
  2. Step 2: Convert to fraction form
    5,618.08/7,752.95 = 3,100.19/x
  3. Step 3: Cross multiply
    5,618.08x = 7,752.95 × 3,100.19
  4. Step 4: Simplify right side
    5,618.08x = 24,035,633.57
  5. Step 5: Solve for x
    x = 24,035,633.57/5,618.08
  6. Step 6: Final answer
    x = 4,278.26

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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.