Home / 5,515.60-7,608.99-4,886.77

Finding the Fourth Proportional to 5,515.60, 7,608.99 and 4,886.77

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Solution

The fourth proportional to 5,515.60, 7,608.99 and 4,886.77 is: 6,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.60 : 7,608.99 = 4,886.77 : x
  2. Step 2: Convert to fraction form
    5,515.60/7,608.99 = 4,886.77/x
  3. Step 3: Cross multiply
    5,515.60x = 7,608.99 × 4,886.77
  4. Step 4: Simplify right side
    5,515.60x = 37,183,384.06
  5. Step 5: Solve for x
    x = 37,183,384.06/5,515.60
  6. Step 6: Final answer
    x = 6,741.49

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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.