Home / 8,689.07-13,030.88-3,755.57

Finding the Fourth Proportional to 8,689.07, 13,030.88 and 3,755.57

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Solution

The fourth proportional to 8,689.07, 13,030.88 and 3,755.57 is: 5,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689.07 : 13,030.88 = 3,755.57 : x
  2. Step 2: Convert to fraction form
    8,689.07/13,030.88 = 3,755.57/x
  3. Step 3: Cross multiply
    8,689.07x = 13,030.88 × 3,755.57
  4. Step 4: Simplify right side
    8,689.07x = 48,938,298.07
  5. Step 5: Solve for x
    x = 48,938,298.07/8,689.07
  6. Step 6: Final answer
    x = 5,632.17

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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.