Home / 8,607.51-12,911.85-3,677.13

Finding the Fourth Proportional to 8,607.51, 12,911.85 and 3,677.13

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Solution

The fourth proportional to 8,607.51, 12,911.85 and 3,677.13 is: 5,515.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.51 : 12,911.85 = 3,677.13 : x
  2. Step 2: Convert to fraction form
    8,607.51/12,911.85 = 3,677.13/x
  3. Step 3: Cross multiply
    8,607.51x = 12,911.85 × 3,677.13
  4. Step 4: Simplify right side
    8,607.51x = 47,478,550.99
  5. Step 5: Solve for x
    x = 47,478,550.99/8,607.51
  6. Step 6: Final answer
    x = 5,515.94

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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.