Home / 7,223.30-9,968.57-4,080.58

Finding the Fourth Proportional to 7,223.30, 9,968.57 and 4,080.58

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Solution

The fourth proportional to 7,223.30, 9,968.57 and 4,080.58 is: 5,631.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,223.30 : 9,968.57 = 4,080.58 : x
  2. Step 2: Convert to fraction form
    7,223.30/9,968.57 = 4,080.58/x
  3. Step 3: Cross multiply
    7,223.30x = 9,968.57 × 4,080.58
  4. Step 4: Simplify right side
    7,223.30x = 40,677,547.37
  5. Step 5: Solve for x
    x = 40,677,547.37/7,223.30
  6. Step 6: Final answer
    x = 5,631.44

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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.