Home / 5,013.89-6,915.96-4,021.55

Finding the Fourth Proportional to 5,013.89, 6,915.96 and 4,021.55

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Solution

The fourth proportional to 5,013.89, 6,915.96 and 4,021.55 is: 5,547.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013.89 : 6,915.96 = 4,021.55 : x
  2. Step 2: Convert to fraction form
    5,013.89/6,915.96 = 4,021.55/x
  3. Step 3: Cross multiply
    5,013.89x = 6,915.96 × 4,021.55
  4. Step 4: Simplify right side
    5,013.89x = 27,812,878.94
  5. Step 5: Solve for x
    x = 27,812,878.94/5,013.89
  6. Step 6: Final answer
    x = 5,547.17

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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.