Home / 6,288.93-8,681.09-4,721.55

Finding the Fourth Proportional to 6,288.93, 8,681.09 and 4,721.55

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Solution

The fourth proportional to 6,288.93, 8,681.09 and 4,721.55 is: 6,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.93 : 8,681.09 = 4,721.55 : x
  2. Step 2: Convert to fraction form
    6,288.93/8,681.09 = 4,721.55/x
  3. Step 3: Cross multiply
    6,288.93x = 8,681.09 × 4,721.55
  4. Step 4: Simplify right side
    6,288.93x = 40,988,176.88
  5. Step 5: Solve for x
    x = 40,988,176.88/6,288.93
  6. Step 6: Final answer
    x = 6,517.51

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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.