Home / 5,558.55-7,630.63-4,771.23

Finding the Fourth Proportional to 5,558.55, 7,630.63 and 4,771.23

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Solution

The fourth proportional to 5,558.55, 7,630.63 and 4,771.23 is: 6,549.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,558.55 : 7,630.63 = 4,771.23 : x
  2. Step 2: Convert to fraction form
    5,558.55/7,630.63 = 4,771.23/x
  3. Step 3: Cross multiply
    5,558.55x = 7,630.63 × 4,771.23
  4. Step 4: Simplify right side
    5,558.55x = 36,407,490.77
  5. Step 5: Solve for x
    x = 36,407,490.77/5,558.55
  6. Step 6: Final answer
    x = 6,549.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.