Home / 8,088.84-12,127.50-6,530.76

Finding the Fourth Proportional to 8,088.84, 12,127.50 and 6,530.76

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Solution

The fourth proportional to 8,088.84, 12,127.50 and 6,530.76 is: 9,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,088.84 : 12,127.50 = 6,530.76 : x
  2. Step 2: Convert to fraction form
    8,088.84/12,127.50 = 6,530.76/x
  3. Step 3: Cross multiply
    8,088.84x = 12,127.50 × 6,530.76
  4. Step 4: Simplify right side
    8,088.84x = 79,201,791.90
  5. Step 5: Solve for x
    x = 79,201,791.90/8,088.84
  6. Step 6: Final answer
    x = 9,791.49

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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.