Home / 7,746.33-10,689.81-4,209.57

Finding the Fourth Proportional to 7,746.33, 10,689.81 and 4,209.57

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Solution

The fourth proportional to 7,746.33, 10,689.81 and 4,209.57 is: 5,809.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.33 : 10,689.81 = 4,209.57 : x
  2. Step 2: Convert to fraction form
    7,746.33/10,689.81 = 4,209.57/x
  3. Step 3: Cross multiply
    7,746.33x = 10,689.81 × 4,209.57
  4. Step 4: Simplify right side
    7,746.33x = 44,999,487.70
  5. Step 5: Solve for x
    x = 44,999,487.70/7,746.33
  6. Step 6: Final answer
    x = 5,809.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.