Home / 4,721.86-6,516.66-2,929.22

Finding the Fourth Proportional to 4,721.86, 6,516.66 and 2,929.22

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Solution

The fourth proportional to 4,721.86, 6,516.66 and 2,929.22 is: 4,042.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.86 : 6,516.66 = 2,929.22 : x
  2. Step 2: Convert to fraction form
    4,721.86/6,516.66 = 2,929.22/x
  3. Step 3: Cross multiply
    4,721.86x = 6,516.66 × 2,929.22
  4. Step 4: Simplify right side
    4,721.86x = 19,088,730.81
  5. Step 5: Solve for x
    x = 19,088,730.81/4,721.86
  6. Step 6: Final answer
    x = 4,042.63

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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.