Home / 7,228.80-9,976.84-4,397.04

Finding the Fourth Proportional to 7,228.80, 9,976.84 and 4,397.04

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Solution

The fourth proportional to 7,228.80, 9,976.84 and 4,397.04 is: 6,068.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.80 : 9,976.84 = 4,397.04 : x
  2. Step 2: Convert to fraction form
    7,228.80/9,976.84 = 4,397.04/x
  3. Step 3: Cross multiply
    7,228.80x = 9,976.84 × 4,397.04
  4. Step 4: Simplify right side
    7,228.80x = 43,868,564.55
  5. Step 5: Solve for x
    x = 43,868,564.55/7,228.80
  6. Step 6: Final answer
    x = 6,068.58

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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.