Home / 4,988.35-6,886.38-3,220.93

Finding the Fourth Proportional to 4,988.35, 6,886.38 and 3,220.93

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Solution

The fourth proportional to 4,988.35, 6,886.38 and 3,220.93 is: 4,446.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.35 : 6,886.38 = 3,220.93 : x
  2. Step 2: Convert to fraction form
    4,988.35/6,886.38 = 3,220.93/x
  3. Step 3: Cross multiply
    4,988.35x = 6,886.38 × 3,220.93
  4. Step 4: Simplify right side
    4,988.35x = 22,180,547.93
  5. Step 5: Solve for x
    x = 22,180,547.93/4,988.35
  6. Step 6: Final answer
    x = 4,446.47

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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.