Home / 7,767.29-10,718.87-4,230.51

Finding the Fourth Proportional to 7,767.29, 10,718.87 and 4,230.51

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Solution

The fourth proportional to 7,767.29, 10,718.87 and 4,230.51 is: 5,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,767.29 : 10,718.87 = 4,230.51 : x
  2. Step 2: Convert to fraction form
    7,767.29/10,718.87 = 4,230.51/x
  3. Step 3: Cross multiply
    7,767.29x = 10,718.87 × 4,230.51
  4. Step 4: Simplify right side
    7,767.29x = 45,346,265.57
  5. Step 5: Solve for x
    x = 45,346,265.57/7,767.29
  6. Step 6: Final answer
    x = 5,838.11

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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.