Home / 5,555.39-7,657.54-3,762.32

Finding the Fourth Proportional to 5,555.39, 7,657.54 and 3,762.32

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Solution

The fourth proportional to 5,555.39, 7,657.54 and 3,762.32 is: 5,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.39 : 7,657.54 = 3,762.32 : x
  2. Step 2: Convert to fraction form
    5,555.39/7,657.54 = 3,762.32/x
  3. Step 3: Cross multiply
    5,555.39x = 7,657.54 × 3,762.32
  4. Step 4: Simplify right side
    5,555.39x = 28,810,068.20
  5. Step 5: Solve for x
    x = 28,810,068.20/5,555.39
  6. Step 6: Final answer
    x = 5,185.97

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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.