Home / 8,200.04-11,319.72-5,555.48

Finding the Fourth Proportional to 8,200.04, 11,319.72 and 5,555.48

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Solution

The fourth proportional to 8,200.04, 11,319.72 and 5,555.48 is: 7,669.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.04 : 11,319.72 = 5,555.48 : x
  2. Step 2: Convert to fraction form
    8,200.04/11,319.72 = 5,555.48/x
  3. Step 3: Cross multiply
    8,200.04x = 11,319.72 × 5,555.48
  4. Step 4: Simplify right side
    8,200.04x = 62,886,478.07
  5. Step 5: Solve for x
    x = 62,886,478.07/8,200.04
  6. Step 6: Final answer
    x = 7,669.05

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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.