Home / 8,416.17-12,620.07-4,907.39

Finding the Fourth Proportional to 8,416.17, 12,620.07 and 4,907.39

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Solution

The fourth proportional to 8,416.17, 12,620.07 and 4,907.39 is: 7,358.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.17 : 12,620.07 = 4,907.39 : x
  2. Step 2: Convert to fraction form
    8,416.17/12,620.07 = 4,907.39/x
  3. Step 3: Cross multiply
    8,416.17x = 12,620.07 × 4,907.39
  4. Step 4: Simplify right side
    8,416.17x = 61,931,542.22
  5. Step 5: Solve for x
    x = 61,931,542.22/8,416.17
  6. Step 6: Final answer
    x = 7,358.64

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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.