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Finding the Fourth Proportional to 7,600.58, 10,488.72 and 4,243.32

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Solution

The fourth proportional to 7,600.58, 10,488.72 and 4,243.32 is: 5,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.58 : 10,488.72 = 4,243.32 : x
  2. Step 2: Convert to fraction form
    7,600.58/10,488.72 = 4,243.32/x
  3. Step 3: Cross multiply
    7,600.58x = 10,488.72 × 4,243.32
  4. Step 4: Simplify right side
    7,600.58x = 44,506,995.35
  5. Step 5: Solve for x
    x = 44,506,995.35/7,600.58
  6. Step 6: Final answer
    x = 5,855.74

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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.