Home / 5,087.09-7,630.93-1,577.60

Finding the Fourth Proportional to 5,087.09, 7,630.93 and 1,577.60

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Solution

The fourth proportional to 5,087.09, 7,630.93 and 1,577.60 is: 2,366.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.09 : 7,630.93 = 1,577.60 : x
  2. Step 2: Convert to fraction form
    5,087.09/7,630.93 = 1,577.60/x
  3. Step 3: Cross multiply
    5,087.09x = 7,630.93 × 1,577.60
  4. Step 4: Simplify right side
    5,087.09x = 12,038,535.58
  5. Step 5: Solve for x
    x = 12,038,535.58/5,087.09
  6. Step 6: Final answer
    x = 2,366.49

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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.