Home / 9,721.16-14,581.02-5,816.84

Finding the Fourth Proportional to 9,721.16, 14,581.02 and 5,816.84

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Solution

The fourth proportional to 9,721.16, 14,581.02 and 5,816.84 is: 8,724.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,721.16 : 14,581.02 = 5,816.84 : x
  2. Step 2: Convert to fraction form
    9,721.16/14,581.02 = 5,816.84/x
  3. Step 3: Cross multiply
    9,721.16x = 14,581.02 × 5,816.84
  4. Step 4: Simplify right side
    9,721.16x = 84,815,460.38
  5. Step 5: Solve for x
    x = 84,815,460.38/9,721.16
  6. Step 6: Final answer
    x = 8,724.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.