Home / 7,649.47-11,455.72-4,352.58

Finding the Fourth Proportional to 7,649.47, 11,455.72 and 4,352.58

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Solution

The fourth proportional to 7,649.47, 11,455.72 and 4,352.58 is: 6,518.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,649.47 : 11,455.72 = 4,352.58 : x
  2. Step 2: Convert to fraction form
    7,649.47/11,455.72 = 4,352.58/x
  3. Step 3: Cross multiply
    7,649.47x = 11,455.72 × 4,352.58
  4. Step 4: Simplify right side
    7,649.47x = 49,861,937.76
  5. Step 5: Solve for x
    x = 49,861,937.76/7,649.47
  6. Step 6: Final answer
    x = 6,518.35

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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.