Home / 7,064.20-9,748.65-4,080.03

Finding the Fourth Proportional to 7,064.20, 9,748.65 and 4,080.03

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Solution

The fourth proportional to 7,064.20, 9,748.65 and 4,080.03 is: 5,630.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,064.20 : 9,748.65 = 4,080.03 : x
  2. Step 2: Convert to fraction form
    7,064.20/9,748.65 = 4,080.03/x
  3. Step 3: Cross multiply
    7,064.20x = 9,748.65 × 4,080.03
  4. Step 4: Simplify right side
    7,064.20x = 39,774,784.46
  5. Step 5: Solve for x
    x = 39,774,784.46/7,064.20
  6. Step 6: Final answer
    x = 5,630.47

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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.