Home / 8,830.87-12,187.28-5,055.22

Finding the Fourth Proportional to 8,830.87, 12,187.28 and 5,055.22

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Solution

The fourth proportional to 8,830.87, 12,187.28 and 5,055.22 is: 6,976.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,830.87 : 12,187.28 = 5,055.22 : x
  2. Step 2: Convert to fraction form
    8,830.87/12,187.28 = 5,055.22/x
  3. Step 3: Cross multiply
    8,830.87x = 12,187.28 × 5,055.22
  4. Step 4: Simplify right side
    8,830.87x = 61,609,409.47
  5. Step 5: Solve for x
    x = 61,609,409.47/8,830.87
  6. Step 6: Final answer
    x = 6,976.60

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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.