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Finding the Fourth Proportional to 7,080.58, 10,603.98 and 4,112.74

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Solution

The fourth proportional to 7,080.58, 10,603.98 and 4,112.74 is: 6,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,080.58 : 10,603.98 = 4,112.74 : x
  2. Step 2: Convert to fraction form
    7,080.58/10,603.98 = 4,112.74/x
  3. Step 3: Cross multiply
    7,080.58x = 10,603.98 × 4,112.74
  4. Step 4: Simplify right side
    7,080.58x = 43,611,412.71
  5. Step 5: Solve for x
    x = 43,611,412.71/7,080.58
  6. Step 6: Final answer
    x = 6,159.30

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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.