Home / 7,316.30-10,980.59-3,159.44

Finding the Fourth Proportional to 7,316.30, 10,980.59 and 3,159.44

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Solution

The fourth proportional to 7,316.30, 10,980.59 and 3,159.44 is: 4,741.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.30 : 10,980.59 = 3,159.44 : x
  2. Step 2: Convert to fraction form
    7,316.30/10,980.59 = 3,159.44/x
  3. Step 3: Cross multiply
    7,316.30x = 10,980.59 × 3,159.44
  4. Step 4: Simplify right side
    7,316.30x = 34,692,515.27
  5. Step 5: Solve for x
    x = 34,692,515.27/7,316.30
  6. Step 6: Final answer
    x = 4,741.81

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1.5x scale

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.