Home / 8,688.09-13,032.14-3,492.75

Finding the Fourth Proportional to 8,688.09, 13,032.14 and 3,492.75

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Solution

The fourth proportional to 8,688.09, 13,032.14 and 3,492.75 is: 5,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,688.09 : 13,032.14 = 3,492.75 : x
  2. Step 2: Convert to fraction form
    8,688.09/13,032.14 = 3,492.75/x
  3. Step 3: Cross multiply
    8,688.09x = 13,032.14 × 3,492.75
  4. Step 4: Simplify right side
    8,688.09x = 45,518,006.99
  5. Step 5: Solve for x
    x = 45,518,006.99/8,688.09
  6. Step 6: Final answer
    x = 5,239.13

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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.