Home / 7,140.60-10,701.14-4,538.88

Finding the Fourth Proportional to 7,140.60, 10,701.14 and 4,538.88

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Solution

The fourth proportional to 7,140.60, 10,701.14 and 4,538.88 is: 6,802.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.60 : 10,701.14 = 4,538.88 : x
  2. Step 2: Convert to fraction form
    7,140.60/10,701.14 = 4,538.88/x
  3. Step 3: Cross multiply
    7,140.60x = 10,701.14 × 4,538.88
  4. Step 4: Simplify right side
    7,140.60x = 48,571,167.63
  5. Step 5: Solve for x
    x = 48,571,167.63/7,140.60
  6. Step 6: Final answer
    x = 6,802.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.